CVEvulnerability
CVE-2026-112212
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-22
- Last modified
- 2026-10-27
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L
- Weaknesses
- CWE-444
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.
Affected configurations
• gitlab gitlab (>= 18.3.0 < 19.3.6)
• gitlab gitlab (>= 19.4.0 < 19.4.3)
• gitlab gitlab 19.5.0
Related
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/627499 Permissions Required