EUVD-2026-20801
GHSA-h92q-g5vv-9g2c
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
4DescriptionNVD
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.
AnalysisAI
Improper authorization checks in GitLab CE/EE versions 18.2-18.10.2 allow authenticated users with custom role permissions to demote or remove higher-privileged group members, violating role-based access control boundaries. The vulnerability requires high-privilege authentication and results only in integrity compromise (member privilege modification), not data exposure or availability loss. …
Sign in for full analysis, threat intelligence, and remediation guidance.
More from same product – last 7 days
Command injection in Prefect 3.6.18's GitHub integration allows authenticated users to execute arbitrary git commands th
Incorrect authorization enforcement in GitLab CE/EE permits a blocked Project Access Token to continue reading private p
Identity confusion in GitLab EE's Duo AI workflow runners lets an authenticated, low-privileged user cause specific Duo
Denial of service in GitLab CE/EE affects all versions from 17.1 through those prior to 18.10.7, 18.11.4, and 19.0.1, al
Unauthorized private project enumeration in GitLab CE/EE exposes confidential project metadata to unauthenticated networ
Share
External POC / Exploit Code
Leaving vuln.today