CVE-2026-16255

5.9 Moyenne

Publiée le 22/10/2026 à 03:16 · Modifiée le 22/10/2026 à 03:16 · Reçue · Source : cve@gitlab.com

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when the instance-wide SAML or LDAP membership lock was enabled, an authenticated user could have granted or accepted project and group membership outside the identity provider's control, due to incomplete enforcement of the membership lock on requests created before the lock was enabled.

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Produits concernés

GitLab

Scores CVSS

Version	Score	Source	Vecteur
3.1	5.9 Moyenne	cve@gitlab.com	`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N`

Faiblesses (CWE)

CWE-863

Références

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/606479
https://hackerone.com/reports/3809350

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories