HIGH 7.3 NVD
CVE-2026-18252
GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain condi
GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/607342
- https://hackerone.com/reports/3863650
This high severity vulnerability with a CVSS score of 7.3 was published on 2026-08-26 via NVD.
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