CVEvulnerability

CVE-2026-16255

5.9 MEDIUM Published 2026-10-22 Modified 2026-10-22 Official page ↗
Status
Undergoing Analysis
Published
2026-10-22
Last modified
2026-10-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Weaknesses
CWE-863

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.

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References