{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42603","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-29T00:31:15.725Z","datePublished":"2026-05-11T16:11:55.297Z","dateUpdated":"2026-05-11T17:27:55.699Z"},"containers":{"cna":{"title":"OWASP BLT: pre-commit-fix.yaml executes untrusted fork code via pull_request_target","problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-95","lang":"en","description":"CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh"}],"affected":[{"vendor":"OWASP-BLT","product":"BLT","versions":[{"version":"< 2.1.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-11T16:11:55.297Z"},"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."}],"source":{"advisory":"GHSA-cgvj-qg2h-cqfh","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/OWASP-BLT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-11T17:27:52.116751Z","id":"CVE-2026-42603","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-11T17:27:55.699Z"}}]}}