{"schema_version":"1.7.3","id":"GHSA-vqqr-rmpc-hhg2","published":"2026-02-03T23:48:25Z","modified":"2026-02-05T10:10:54.822225Z","aliases":["CVE-2026-24844","GO-2026-4408"],"related":["CGA-vxrg-4fv3-hfpf"],"summary":"melange pipeline working-directory could allow command injection","details":"An attacker who can provide build input values, but not modify pipeline definitions, could execute arbitrary shell commands if the pipeline uses `${{vars.*}}` or `${{inputs.*}}` substitutions in `working-directory`. The field is embedded into shell scripts without proper quote escaping.\n\n**Fix:** Fixed with [e51ca30c](https://github.com/chainguard-dev/melange/commit/e51ca30cfb63178f5a86997d23d3fff0359fa6c8), Released. \n\n**Acknowledgements**\n\nmelange thanks Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.","affected":[{"package":{"name":"chainguard.dev/melange","ecosystem":"Go","purl":"pkg:golang/chainguard.dev/melange"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0"},{"fixed":"0.40.3"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-vqqr-rmpc-hhg2/GHSA-vqqr-rmpc-hhg2.json"}}],"references":[{"type":"WEB","url":"https://github.com/chainguard-dev/melange/security/advisories/GHSA-vqqr-rmpc-hhg2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24844"},{"type":"WEB","url":"https://github.com/chainguard-dev/melange/commit/e51ca30cfb63178f5a86997d23d3fff0359fa6c8"},{"type":"PACKAGE","url":"https://github.com/chainguard-dev/melange"}],"database_specific":{"cwe_ids":["CWE-78"],"github_reviewed":true,"github_reviewed_at":"2026-02-03T23:48:25Z","nvd_published_at":"2026-02-04T20:16:05Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}