CVE-2026-112212

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:enterprise:*:*:*

History

27 Oct 2026, 14:08

Type Values Removed Values Added
CPE cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
First Time Gitlab
Gitlab gitlab
References () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ - () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ - Release Notes, Vendor Advisory
References () https://gitlab.com/gitlab-org/gitlab/-/work_items/627499 - () https://gitlab.com/gitlab-org/gitlab/-/work_items/627499 - Permissions Required

22 Oct 2026, 01:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-22 01:16

Updated : 2026-10-30 18:17


NVD link : CVE-2026-112212

Mitre link : CVE-2026-112212

CVE.ORG link : CVE-2026-112212


JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')