CVE-2026-18252

8.1 Élevée

Publiée le 26/08/2026 à 16:17 · Modifiée le 31/08/2026 à 17:42 · Analysée par le NVD · Source : cve@gitlab.com

Description

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.

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Produits concernés

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.3 Élevée	cve@gitlab.com	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N`
3.1	8.1 Élevée	nvd@nist.gov (NVD)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`

Faiblesses (CWE)

CWE-829

Références

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/ Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/607342 Issue Tracking
https://hackerone.com/reports/3863650 Permissions RequiredThird Party Advisory

CVE-2026-18252

Description

Produits concernés

Scores CVSS

Faiblesses (CWE)

Références

Ailleurs