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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.

PUBLISHED Reserved 2026-04-29 | Published 2026-05-11 | Updated 2026-05-11 | Assigner GitHub_M




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-94: Improper Control of Generation of Code ('Code Injection')

CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Product status

< 2.1.2
affected

References

github.com/...LT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh exploit

github.com/...LT/BLT/security/advisories/GHSA-cgvj-qg2h-cqfh

cve.org (CVE-2026-42603)

nvd.nist.gov (CVE-2026-42603)

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