Vulnerability-Lookup

ICSA-26-085-03

Vulnerability from csaf_cisa - Published: 2026-03-26 06:00 - Updated: 2026-03-26 06:00

Summary

PTC Windchill Product Lifecycle Management

Notes

Legal Notice and Terms of Use: This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).

Risk evaluation: Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution.

Critical infrastructure sectors: Critical Manufacturing

Countries/areas deployed: Worldwide

Company headquarters location: United States

Recommended Practices: CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability.

Recommended Practices: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.

Recommended Practices: Locate control system networks and remote devices behind firewalls and isolating them from business networks.

Recommended Practices: When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.

Recommended Practices: CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

Recommended Practices: CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

Recommended Practices: CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Recommended Practices: Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

Recommended Practices: Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

Recommended Practices: CISA also recommends users take the following measures to protect themselves from social engineering attacks:

Recommended Practices: Do not click web links or open attachments in unsolicited email messages.

Recommended Practices: Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.

Recommended Practices: Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

Recommended Practices: No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.

CVE-2026-4681

10.0 (Critical)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Affected products

Known affected 20 products

Product	Version	Remediation
PTC Windchill PDMLink: 11.0_M030 PTC / Windchill PDMLink	11.0_M030	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 11.1_M020 PTC / Windchill PDMLink	11.1_M020	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 11.2.1.0 PTC / Windchill PDMLink	11.2.1.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 12.0.2.0 PTC / Windchill PDMLink	12.0.2.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 12.1.2.0 PTC / Windchill PDMLink	12.1.2.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 13.0.2.0 PTC / Windchill PDMLink	13.0.2.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 13.1.0.0 PTC / Windchill PDMLink	13.1.0.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 13.1.1.0 PTC / Windchill PDMLink	13.1.1.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 13.1.2.0 PTC / Windchill PDMLink	13.1.2.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC Windchill PDMLink: 13.1.3.0 PTC / Windchill PDMLink	13.1.3.0	Mitigation Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 11.0_M030 PTC / FlexPLM	11.0_M030	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 11.1_M020 PTC / FlexPLM	11.1_M020	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 11.2.1.0 PTC / FlexPLM	11.2.1.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 12.0.0.0 PTC / FlexPLM	12.0.0.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 12.0.2.0 PTC / FlexPLM	12.0.2.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 12.0.3.0 PTC / FlexPLM	12.0.3.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 12.1.2.0 PTC / FlexPLM	12.1.2.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 12.1.3.0 PTC / FlexPLM	12.1.3.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 13.0.2.0 PTC / FlexPLM	13.0.2.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix
PTC FlexPLM: 13.0.3.0 PTC / FlexPLM	13.0.3.0	Mitigation Vendor Fix Vendor Fix Vendor Fix Mitigation Mitigation Mitigation Mitigation fix Mitigation fix

References

17 references

URL	Category
https://raw.githubusercontent.com/cisagov/CSAF/de…	self
https://www.cisa.gov/news-events/ics-advisories/i…	self
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-…	external
https://www.cisa.gov/resources-tools/resources/ic…	external
https://www.cisa.gov/sites/default/files/publicat…	external
https://www.cisa.gov/topics/industrial-control-systems	external
https://www.cisa.gov/uscert/sites/default/files/p…	external
https://www.cisa.gov/uscert/ncas/tips/ST04-014	external
https://www.cisa.gov/news-events/ics-alerts/ics-a…	external
https://www.cisa.gov/sites/default/files/recommen…	external
https://www.cisa.gov/news-events/news/targeted-cy…	external
https://www.cisa.gov/secure-our-world/teach-emplo…	external
https://www.cisa.gov/news-events/news/avoiding-so…	external
https://cwe.mitre.org/data/definitions/94.html	external
https://www.cve.org/CVERecord?id=CVE-2026-4681	external
https://www.first.org/cvss/calculator/3.1#CVSS:3.…	external
https://www.first.org/cvss/calculator/4.0#CVSS:4.…	external

Acknowledgments

An anonymous source

JSON

To clipboard

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "An anonymous source"
        ],
        "summary": "reported this vulnerability to CISA"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
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        "url": "https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage"
      }
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    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy \u0026 Use policy (https://www.cisa.gov/privacy-policy).",
        "title": "Legal Notice and Terms of Use"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "United States",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolating them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Do not click web links or open attachments in unsolicited email messages.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
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      "contact_details": "central@cisa.dhs.gov",
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    "references": [
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      },
      {
        "category": "self",
        "summary": "ICSA Advisory ICSA-26-085-03 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-085-03"
      },
      {
        "category": "external",
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        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
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        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
      },
      {
        "category": "external",
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        "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
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      {
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        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/secure-our-world/teach-employees-avoid-phishing"
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      {
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        "url": "https://www.cisa.gov/news-events/news/avoiding-social-engineering-and-phishing-attacks"
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    ],
    "title": "PTC Windchill Product Lifecycle Management",
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  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "11.0_M030",
                "product": {
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              }
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              {
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          },
          {
            "branches": [
              {
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                "name": "12.1.2.0",
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                }
              }
            ],
            "category": "product_name",
            "name": "Windchill PDMLink"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.1.0.0",
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                  "name": "PTC Windchill PDMLink: 13.1.0.0",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "Windchill PDMLink"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.1.1.0",
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                  "product_id": "CSAFPID-0008"
                }
              }
            ],
            "category": "product_name",
            "name": "Windchill PDMLink"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.1.2.0",
                "product": {
                  "name": "PTC Windchill PDMLink: 13.1.2.0",
                  "product_id": "CSAFPID-0009"
                }
              }
            ],
            "category": "product_name",
            "name": "Windchill PDMLink"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.1.3.0",
                "product": {
                  "name": "PTC Windchill PDMLink: 13.1.3.0",
                  "product_id": "CSAFPID-0010"
                }
              }
            ],
            "category": "product_name",
            "name": "Windchill PDMLink"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "11.0_M030",
                "product": {
                  "name": "PTC FlexPLM: 11.0_M030",
                  "product_id": "CSAFPID-0011"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "11.1_M020",
                "product": {
                  "name": "PTC FlexPLM: 11.1_M020",
                  "product_id": "CSAFPID-0012"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "11.2.1.0",
                "product": {
                  "name": "PTC FlexPLM: 11.2.1.0",
                  "product_id": "CSAFPID-0013"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12.0.0.0",
                "product": {
                  "name": "PTC FlexPLM: 12.0.0.0",
                  "product_id": "CSAFPID-0014"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12.0.2.0",
                "product": {
                  "name": "PTC FlexPLM: 12.0.2.0",
                  "product_id": "CSAFPID-0015"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12.0.3.0",
                "product": {
                  "name": "PTC FlexPLM: 12.0.3.0",
                  "product_id": "CSAFPID-0016"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12.1.2.0",
                "product": {
                  "name": "PTC FlexPLM: 12.1.2.0",
                  "product_id": "CSAFPID-0017"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12.1.3.0",
                "product": {
                  "name": "PTC FlexPLM: 12.1.3.0",
                  "product_id": "CSAFPID-0018"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.0.2.0",
                "product": {
                  "name": "PTC FlexPLM: 13.0.2.0",
                  "product_id": "CSAFPID-0019"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "13.0.3.0",
                "product": {
                  "name": "PTC FlexPLM: 13.0.3.0",
                  "product_id": "CSAFPID-0020"
                }
              }
            ],
            "category": "product_name",
            "name": "FlexPLM"
          }
        ],
        "category": "vendor",
        "name": "PTC"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-4681",
      "cwe": {
        "id": "CWE-94",
        "name": "Improper Control of Generation of Code (\u0027Code Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.",
          "title": "Vulnerability Summary"
        },
        {
          "category": "details",
          "text": "SSVCv2/E:N/A:Y/2026-03-25T06:00:00.000000Z",
          "title": "SSVC"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009",
          "CSAFPID-0010",
          "CSAFPID-0011",
          "CSAFPID-0012",
          "CSAFPID-0013",
          "CSAFPID-0014",
          "CSAFPID-0015",
          "CSAFPID-0016",
          "CSAFPID-0017",
          "CSAFPID-0018",
          "CSAFPID-0019",
          "CSAFPID-0020"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "cwe.mitre.org",
          "url": "https://cwe.mitre.org/data/definitions/94.html"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-4681"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "PTC is aware of the issue and is actively developing a fix. In the meantime, PTC recommends applying the recommended workaround. Until official patches are available, customers must take urgent steps to safeguard their environments. Specifically: Protect any publicly accessible Windchill systems",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "While publicly accessible Windchill and FlexPLM systems are at higher risk and require immediate attention, PTC strongly recommends applying the mitigation steps to all deployments, regardless of Internet exposure",
          "product_ids": [
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Apply the same precautions to FlexPLM deployments",
          "product_ids": [
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "The following Apache and IIS HTTP Server configuration update should be IMMEDIATELY applied to every Windchill or FlexPLM system: Customers using Apache HTTP Server should only follow \"Apache HTTP Server Configuration \u2013 Workaround Steps\" section steps",
          "product_ids": [
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "mitigation",
          "details": "Customers using Microsoft IIS should only follow \"IIS Configuration - Workaround Steps\" section steps",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "mitigation",
          "details": "Please explicitly note that the same mitigation steps must also be applied on File Server / Replica Server configurations where applicable",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "mitigation",
          "details": "For Windchill releases prior to 11.0 M030, workarounds may need to be altered to apply to unsupported previous releases",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        },
        {
          "category": "mitigation",
          "details": "For Apache HTTP Server and IIS configuration workaround steps, please refer to the official advisory at:https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ],
          "url": "https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability"
        },
        {
          "category": "mitigation",
          "details": "If immediate remediation is not feasible, additional guidance and remediation options are available:https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ],
          "url": "https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-0010",
            "CSAFPID-0011",
            "CSAFPID-0012",
            "CSAFPID-0013",
            "CSAFPID-0014",
            "CSAFPID-0015",
            "CSAFPID-0016",
            "CSAFPID-0017",
            "CSAFPID-0018",
            "CSAFPID-0019",
            "CSAFPID-0020"
          ]
        }
      ]
    }
  ]
}

CVE-2026-4681 (GCVE-0-2026-4681)

Vulnerability from cvelistv5 – Published: 2026-03-23 21:48 – Updated: 2026-03-24 14:49

Title

Critical Remote Code Execution vulnerability reported in Windchill

Summary

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-24 14:48 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

PTC icscert root Scorecard

References

1 reference

URL	Tags
https://www.ptc.com/en/about/trust-center/advisor…	vendor-advisorymitigation

Impacted products

2 products

Vendor	Product	Version
PTC	Windchill PDMLink	Affected: 11.0 M030 (semver) Affected: 11.1 M020 (semver) Affected: 11.2.1.0 (semver) Affected: 12.0.2.0 (semver) Affected: 12.1.2.0 (semver) Affected: 13.0.2.0 (semver) Affected: 13.1.0.0 Affected: 13.1.1.0 Affected: 13.1.2.0 Affected: 13.1.3.0
PTC	FlexPLM	Affected: 11.0 M030 Affected: 11.1 M020 Affected: 11.2.1.0 Affected: 12.0.0.0 Affected: 12.0.2.0 Affected: 12.0.3.0 Affected: 12.1.2.0 Affected: 12.1.3.0 Affected: 13.0.2.0 Affected: 13.0.3.0

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

ICSA-26-085-03

CVE-2026-4681 (GCVE-0-2026-4681)

Tags

Sightings

Nomenclature

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