CVE-2026-4916: Missing Authorization in GitLab

Published Apr 8, 2026
·
Updated

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.

Other sources

GitLab has remediated an issue 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.

— GitLab

Affected Software

7 affected componentsFixes available
GitLab GitLab>=18.2<18.8.9, >=18.9<18.9.5, >=18.10<18.10.3
18.8.918.9.518.10.3
GitLab GitLab>=18.2.0<18.8.9
GitLab GitLab>=18.9.0<18.9.5
GitLab GitLab>=18.10.0<18.10.3
GitLab GitLab>=18.2.0<18.8.9
GitLab GitLab>=18.9.0<18.9.5
GitLab GitLab>=18.10.0<18.10.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.8.9Fixed in 18.9.5Fixed in 18.10.3
  2. Upgrade

    Upgrade GitLab CE/EE to a version that resolves this vulnerability.

    Fixed in 18.8.9
  3. Upgrade

    Upgrade GitLab CE/EE to a version that resolves this vulnerability.

    Fixed in 18.9.5
  4. Upgrade

    Upgrade GitLab CE/EE to a version that resolves this vulnerability.

    Fixed in 18.10.3

Event History

Apr 8, 2026
CVE Published
via MITRE·10:25 PM
Data Sourced
via MITRE·10:25 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Apr 22, 2026
Data Sourced
via GitLab·01:52 PM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

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