Vulnerability-Lookup

CVE-2026-42016 (GCVE-0-2026-42016)

Vulnerability from cvelistv5 – Published: 2026-07-27 19:20 – Updated: 2026-09-12 03:55

CISA Previdian

Title

Incorrect authorization validation of user token in JFrog Artifactory allows Privilege Escalation

Summary

JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

Severity

8.1 (High)


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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 00:00 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

JFROG mitre root Scorecard

References

4 references

URL	Tags
https://docs.jfrog.com/releases/docs/jfrog-securi…	vendor-advisory
https://docs.jfrog.com/releases/docs/artifactory-…	vendor-advisory
https://www.wiz.io/blog/artifactory-under-attack-…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
jfrog	artifactory	Affected: 0 , < 7.133.11 (custom)

Credits

Kostya Kortchinsky | OpenAI

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 4455d8d5-9a2e-4c9f-9135-446a254b2325

Vulnerability ID: CVE-2026-42016

Status: Confirmed

Status Updated: 2026-09-11 02:00 CEST

Exploited: Yes

Timestamps

First Seen: 2026-09-11

Asserted: 2026-09-11

Scope

Notes: JFrog Artifactory Incorrect Authorization Vulnerability | Affected: JFrog / Artifactory | Description: JFrog Artifactory contains an incorrect authorization vulnerability that leads to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-09-25 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-42016

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details

Cwes	CWE-863
Feed	CISA Known Exploited Vulnerabilities Catalog
Product	Artifactory
Due Date	2026-09-25
Date Added	2026-09-11
Vendorproject	JFrog
Vulnerabilityname	JFrog Artifactory Incorrect Authorization Vulnerability
Knownransomwarecampaignuse	Unknown

References

CVE-2026-42016

Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 6e4db42f-6b35-44ac-81ed-922e60e1a081

Vulnerability ID: CVE-2026-42016

Status: Confirmed

Status Updated: 2026-09-10 21:04 CEST

Exploited: Yes

Timestamps

First Seen: 2026-09-10

Asserted: 2026-09-10

Scope

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details

Feed	Previdian (previdian.com)
Title	Incorrect authorization validation of user token in JFrog Artifactory allows Privilege Escalation
Cve Id	CVE-2026-42016
Vendor	Jfrog
Ghsa Id	GHSA-58CV-8CFM-C8R8
Product	artifactory
Added Date	2026-09-10T19:04:00.000Z
Cvss Score	8.1
Epss Score	0.08643
Previous Ids
Cvss Severity	HIGH
Virtual Patch	False
Cvss Estimated	False
Epss Percentile	0.94954
Used In Malware	unknown
Vulnerability Id	CVE-2026-42016
Ahead Of Cisa Kev	`{ "count": 23, "unit": "hour" }`
Not Yet In Cisa Kev	False

References

Created: 2026-10-02 09:09 CEST | Updated: 2026-10-02 09:09 CEST

Show details on NVD website

JSON

To clipboard

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EUVD-2026-367188

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 08:35

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T08:35:59.573407+00:00",
  "id": "EUVD-2026-367188"
}

FKIE_CVE-2026-42016

Vulnerability from fkie_nvd - Published: 2026-07-27 20:16 - Updated: 2026-09-12 04:16

CISA Previdian

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

References

URL	Tags
reefs@jfrog.com	https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases	Release Notes
reefs@jfrog.com	https://docs.jfrog.com/releases/docs/jfrog-security-advisories	Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016	US Government Resource
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201	Third Party Advisory

Impacted products

	Vendor	Product	Version
	jfrog	artifactory	*

JSON

To clipboard

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  ],
  "cisaActionDue": "2026-09-25",
  "cisaExploitAdd": "2026-09-11",
  "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
  "cisaVulnerabilityName": "JFrog Artifactory Incorrect Authorization Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jfrog:artifactory:*:*:*:*:*:-:*:*",
              "matchCriteriaId": "817DC3BE-A8A2-42D7-9407-2BA24639E9A0",
              "versionEndExcluding": "7.133.11",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token\u2019s scope."
    }
  ],
  "id": "CVE-2026-42016",
  "lastModified": "2026-09-12T04:16:32.483",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "reefs@jfrog.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-42016",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-11T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-27T20:16:39.613",
  "references": [
    {
      "source": "reefs@jfrog.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases"
    },
    {
      "source": "reefs@jfrog.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://docs.jfrog.com/releases/docs/jfrog-security-advisories"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201"
    }
  ],
  "sourceIdentifier": "reefs@jfrog.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "reefs@jfrog.com",
      "type": "Secondary"
    }
  ]
}

GHSA-58CV-8CFM-C8R8

Vulnerability from github – Published: 2026-07-27 21:31 – Updated: 2026-09-11 21:31

Details

JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-42016"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-27T20:16:39Z",
    "severity": "HIGH"
  },
  "details": "JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token\u2019s scope.",
  "id": "GHSA-58cv-8cfm-c8r8",
  "modified": "2026-09-11T21:31:06Z",
  "published": "2026-07-27T21:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42016"
    },
    {
      "type": "WEB",
      "url": "https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases"
    },
    {
      "type": "WEB",
      "url": "https://docs.jfrog.com/releases/docs/jfrog-security-advisories"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016"
    },
    {
      "type": "WEB",
      "url": "https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

NCSC-2026-0272

Vulnerability from csaf_ncscnl - Published: 2026-07-31 08:51 - Updated: 2026-07-31 08:51

Summary

Kwetsbaarheden verholpen in JFrog Artifactory

Scope

13 vulnerabilities in this advisory, including CVE-2026-42016.

CVE-2026-42016

JFrog Artifactory (Self Hosted) versions prior to 7.133.11 are susceptible to privilege escalation due to improper validation of token scope despite verifying token signature and issuer.

8.1 (High)


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

Known affected: 1 product

Open the full advisory

WID-SEC-W-2026-2548

Vulnerability from csaf_certbund - Published: 2026-07-27 22:00 - Updated: 2026-09-13 22:00

Summary

JFrog Artifactory: Mehrere Schwachstellen

Severity

Hoch

Scope

13 vulnerabilities in this advisory, including CVE-2026-42016.

CVE-2026-42016

Known affected: 6 products

Open the full advisory

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-42016 (GCVE-0-2026-42016)

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Vendor Report Successful Exploitation Confidence: 80% Source: cisa-kev

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: previdian

Details

References

EUVD-2026-367188

FKIE_CVE-2026-42016

GHSA-58CV-8CFM-C8R8

NCSC-2026-0272

WID-SEC-W-2026-2548

Tags

Sightings

Nomenclature

Related by attack behaviour