Vulnerability-Lookup

CVE-2026-103686 (GCVE-0-2026-103686)

Vulnerability from cvelistv5 – Published: 2026-10-01 13:45 – Updated: 2026-10-01 13:45 X_Open Source

Title

rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting

Summary

A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C

3.5 (Low)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C

CWE

CWE-79 - Cross Site Scripting
CWE-94 - Code Injection

Assigner

VulDB mitre root Scorecard

References

8 references

URL	Tags
https://vuldb.com/vuln/412550	vdb-entrytechnical-description
https://vuldb.com/vuln/412550/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-103686	third-party-advisory
https://vuldb.com/submit/958312	third-party-advisory
https://github.com/rhukster/dom-sanitizer/securit…	exploit
https://github.com/rhukster/dom-sanitizer/commit/…	patch
https://github.com/rhukster/dom-sanitizer/release…	patch
https://github.com/rhukster/dom-sanitizer/	product

Impacted products

1 product

Vendor	Product	Version
rhukster	dom-sanitizer	Affected: 1.0.0 Affected: 1.0.1 Affected: 1.0.2 Affected: 1.0.3 Affected: 1.0.4 Affected: 1.0.5 Affected: 1.0.6 Affected: 1.0.7 Affected: 1.0.8 Affected: 1.0.9 Affected: 1.0.10 Affected: 1.0.11 Affected: 1.0.12 Affected: 1.0.13 Affected: 1.0.14 Affected: 1.0.15 Unaffected: 1.0.16 cpe:2.3:a:rhukster:dom-sanitizer::::::::

Credits

0xMo-Error (VulDB User)

Show details on NVD website

JSON

To clipboard

{
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      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*"
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          "modules": [
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          "vendor": "rhukster",
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              "version": "1.0.9"
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              "version": "1.0.10"
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          "value": "A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component."
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          "name": "Submit #958312 | rhukster dom-sanitizer \u003c= 1.0.15 Improper Input Validation",
          "tags": [
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          "url": "https://vuldb.com/submit/958312"
        },
        {
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          "url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c"
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        {
          "tags": [
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          "url": "https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda"
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        {
          "tags": [
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          "url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16"
        },
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          "url": "https://github.com/rhukster/dom-sanitizer/"
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          "time": "2026-10-01T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-10-01T11:36:41.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting",
      "x_generator": [
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  },
  "cveMetadata": {
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    "assignerShortName": "VulDB",
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    "datePublished": "2026-10-01T13:45:12.259Z",
    "dateReserved": "2026-10-01T09:31:30.531Z",
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    "state": "PUBLISHED"
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                  "cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "URL Validation"
                ],
                "product": "dom-sanitizer",
                "vendor": "rhukster",
                "versions": [
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                    "version": "1.0.0"
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                    "version": "1.0.1"
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                    "status": "affected",
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                  {
                    "status": "affected",
                    "version": "1.0.5"
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                  {
                    "status": "affected",
                    "version": "1.0.6"
                  },
                  {
                    "status": "affected",
                    "version": "1.0.7"
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                  {
                    "status": "affected",
                    "version": "1.0.8"
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                  {
                    "status": "affected",
                    "version": "1.0.9"
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                  {
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                  {
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          }
        ],
        "id": "CVE-2026-103686",
        "lastModified": "2026-10-01T14:34:35.357",
        "metrics": {
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              "exploitabilityScore": 8.0,
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                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "PROOF_OF_CONCEPT",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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                "modifiedSubIntegrityImpact": "NOT_DEFINED",
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              "source": "cna@vuldb.com",
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        "published": "2026-10-01T14:17:28.233",
        "references": [
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/rhukster/dom-sanitizer/"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda"
          },
          {
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            "url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/cve/CVE-2026-103686"
          },
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        "vulnStatus": "Deferred",
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              },
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    }
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}

EUVD-2026-380119

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 08:41

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": "2026-10-02T08:41:03.333454+00:00",
  "id": "EUVD-2026-380119"
}

FKIE_CVE-2026-103686

Vulnerability from fkie_nvd - Published: 2026-10-01 14:17 - Updated: 2026-10-01 14:34

Severity

3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/rhukster/dom-sanitizer/
	cna@vuldb.com	https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda
	cna@vuldb.com	https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16
	cna@vuldb.com	https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-103686
	cna@vuldb.com	https://vuldb.com/submit/958312
	cna@vuldb.com	https://vuldb.com/vuln/412550
	cna@vuldb.com	https://vuldb.com/vuln/412550/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "URL Validation"
          ],
          "product": "dom-sanitizer",
          "vendor": "rhukster",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0"
            },
            {
              "status": "affected",
              "version": "1.0.1"
            },
            {
              "status": "affected",
              "version": "1.0.2"
            },
            {
              "status": "affected",
              "version": "1.0.3"
            },
            {
              "status": "affected",
              "version": "1.0.4"
            },
            {
              "status": "affected",
              "version": "1.0.5"
            },
            {
              "status": "affected",
              "version": "1.0.6"
            },
            {
              "status": "affected",
              "version": "1.0.7"
            },
            {
              "status": "affected",
              "version": "1.0.8"
            },
            {
              "status": "affected",
              "version": "1.0.9"
            },
            {
              "status": "affected",
              "version": "1.0.10"
            },
            {
              "status": "affected",
              "version": "1.0.11"
            },
            {
              "status": "affected",
              "version": "1.0.12"
            },
            {
              "status": "affected",
              "version": "1.0.13"
            },
            {
              "status": "affected",
              "version": "1.0.14"
            },
            {
              "status": "affected",
              "version": "1.0.15"
            },
            {
              "status": "unaffected",
              "version": "1.0.16"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
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  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component."
    }
  ],
  "id": "CVE-2026-103686",
  "lastModified": "2026-10-01T14:34:35.357",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
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          "version": "2.0"
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        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.0,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-10-01T14:17:28.233",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/rhukster/dom-sanitizer/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-103686"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/958312"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/412550"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/412550/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-QJW9-86R9-FQQC

Vulnerability from github – Published: 2026-10-01 15:30 – Updated: 2026-10-01 15:30

Details

Severity

3.5 (Low)


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

2.0 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-103686"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-01T14:17:28Z",
    "severity": "LOW"
  },
  "details": "A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.",
  "id": "GHSA-qjw9-86r9-fqqc",
  "modified": "2026-10-01T15:30:41Z",
  "published": "2026-10-01T15:30:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103686"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rhukster/dom-sanitizer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-103686"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/958312"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/412550"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/412550/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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-2026-103686 (GCVE-0-2026-103686)

EUVD-2026-380119

FKIE_CVE-2026-103686

GHSA-QJW9-86R9-FQQC

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Related by attack behaviour