{"id":"CVE-2026-42603","aliases":["EUVD-2026-29126"],"status":"published","title":"OWASP BLT: pre-commit-fix.yaml executes untrusted fork code via pull_request_target","description":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0025,"percentile":0.16544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94","CWE-95"],"published":"2026-05-11T16:11:55Z","modified":"2026-10-26T18:10:00Z","products":[{"vendor":"owasp-blt","product":"blt"}],"references":[{"url":"https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh","tags":["x_refsource_CONFIRM","exploit"]}],"sources":{"cve":[{"id":"CVE-2026-42603","title":"OWASP BLT: pre-commit-fix.yaml executes untrusted fork code via pull_request_target","description":"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.","status":"published","published":"2026-05-11T16:11:55.297Z","modified":"2026-05-11T17:27:55.699Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94","CWE-95"],"updated_at":"2026-11-02T13:40:23.731501Z"}],"euvd":[{"id":"EUVD-2026-29126","description":"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.","status":"published","published":"2026-05-11T16:11:55Z","modified":"2026-05-11T17:27:55Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:05:10.736891Z"}],"nvd":[{"id":"CVE-2026-42603","description":"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.","status":"published","published":"2026-05-11T17:16:33.41Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94","CWE-95"],"updated_at":"2026-11-02T14:12:18.239974Z"}]}}