CVE-2026-112212

7.5 Élevée

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 CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an externally controlled server, due to improper trust of user-supplied values when constructing endpoint URLs in cached discovery responses.

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Produits concernés

GitLab

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.5 Élevée	cve@gitlab.com	`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L`

Faiblesses (CWE)

CWE-444

Références

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/627499

Ailleurs

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