CVE-2026-16255
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…
- Severity: Medium
- CVSS 5.9
- EPSS 0.21%
- P4 · Track
Why P4: track.
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.
Weakness
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
References
- NVD record NVD
- CVE Program record CVE Program
- Reference NVD
- Reference NVD
- Reference NVD
- GitHub security advisory GitHub
- Advisory reference GitHub