high7.5
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 c…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Gitlab | Gitlab | from 18.3.0 before 19.3.6 from 19.4.0 before 19.4.3 Version 19.5.0 |