CVE-2026-42603

{
  "id": "CVE-2026-42603",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-11T17:16:33.410",
  "lastModified": "2026-10-26T18:10:00.173",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OWASP BLT is a QA testing and vulnerability disclosure platform that encompasses websites, apps, git repositories, and more. Prior to 2.1.2, .github/workflows/pre-commit-fix.yaml uses pull_request_target (privileged trigger) but checks out and executes code directly from the attacker's fork, enabling RCE with write permissions. This vulnerability is fixed in 2.1.2."
    },
    {
      "lang": "es",
      "value": "OWASP BLT es una plataforma de pruebas de QA y divulgación de vulnerabilidades que abarca sitios web, aplicaciones, repositorios git y más. Antes de la versión 2.1.2, .github/workflows/pre-commit-fix.yaml utiliza pull_request_target (un disparador privilegiado) pero extrae y ejecuta código directamente del fork del atacante, lo que permite la RCE con permisos de escritura. Esta vulnerabilidad está corregida en la versión 2.1.2."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "OWASP-BLT",
          "product": "BLT",
          "versions": [
            {
              "version": "< 2.1.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-11T17:27:52.116751Z",
          "id": "CVE-2026-42603",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        },
        {
          "lang": "en",
          "value": "CWE-95"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}