Skip to content
CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-16255

Incorrect Authorization in GitLab

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
GitLab

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

GitLab GitLab

Default version status: unaffected

  • 12.0 to < 19.3.6affected
  • 19.4 to < 19.4.3affected
  • 19.5 to < 19.5.1affected

References