PT-2026-120881 · Gitlab · Gitlab
CVE-2026-112212
·
Published
2026-10-21
·
Updated
2026-10-22
CVSS v3.1
7.5
High
| Vector | AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L |
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.
Fix
HTTP Request/Response Smuggling
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Weakness Enumeration
Related Identifiers
Affected Products
Gitlab