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.
Metrics
Affected Vendors & Products
References
History
Fri, 30 Oct 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 27 Oct 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | 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:*:*:* |
Wed, 21 Oct 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab | |
| First Time appeared |
Gitlab
Gitlab gitlab |
|
| Weaknesses | CWE-444 | |
| CPEs | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Gitlab
Gitlab gitlab |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: GitLab
Published: 2026-10-21T23:33:45.429Z
Updated: 2026-10-30T17:33:45.464Z
Reserved: 2026-10-19T10:34:06.433Z
Link: CVE-2026-112212
Updated: 2026-10-30T17:33:25.530Z
Status : Analyzed
Published: 2026-10-22T01:16:57.740
Modified: 2026-10-30T18:17:20.770
Link: CVE-2026-112212
No data.