GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when the instance-wide SAML or LDAP membership lock was enabled, an authenticated user could have granted or accepted project and group membership outside the identity provider's control, due to incomplete enforcement of the membership lock on requests created before the lock was enabled.
Metrics
Affected Vendors & Products
References
History
Fri, 30 Oct 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 29 Oct 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 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 EE affecting all versions from 12.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when the instance-wide SAML or LDAP membership lock was enabled, an authenticated user could have granted or accepted project and group membership outside the identity provider's control, due to incomplete enforcement of the membership lock on requests created before the lock was enabled. | |
| Title | Incorrect Authorization in GitLab | |
| First Time appeared |
Gitlab
Gitlab gitlab |
|
| Weaknesses | CWE-863 | |
| CPEs | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Gitlab
Gitlab gitlab |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: GitLab
Published: 2026-10-21T23:35:10.428Z
Updated: 2026-10-30T17:18:23.345Z
Reserved: 2026-07-20T08:04:52.287Z
Link: CVE-2026-16255
Updated: 2026-10-30T17:08:58.348Z
Status : Analyzed
Published: 2026-10-22T01:16:59.613
Modified: 2026-10-30T18:17:28.993
Link: CVE-2026-16255
No data.