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CVE-2026-112212

7.5 high Analyzed
NVD · CVE.org

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

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 6

  1. Cpes+4 CPE criteria (now 4)NVD modified 2026-10-27 14:08
  2. StatusAwaiting Analysis → AnalyzedNVD modified 2026-10-27 14:08
  3. StatusReceived → Awaiting AnalysisNVD modified 2026-10-22 16:18
  4. Cpes-1 CPE criteria (now 0)NVD modified 2026-10-22 01:16
  5. StatusPublished → ReceivedNVD modified 2026-10-22 01:16
  6. First seenCVSS 7.5 · gitlabNVD modified 2026-10-21 23:33

Affected (CPE criteria) 4

  • 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:*:*:*

References 2