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TI-2021-17132 Aliases CVE-2021-39902GHSA-8f66-6ff4-3fj6

Incorrect authorization in GitLab

Priority LOW 21CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Incorrect Authorization in GitLab CE/EE 13.4 or above allows a user with guest membership in a project to modify the severity of an incident.

Why it matters now

EPSS 0.00788 56th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 14.2.6, 14.3.4, 14.4.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab13.4 to before 14.2.6; 14.3 to before 14.3.4; 14.4 to before 14.4.114.2.6, 14.3.4, 14.4.1Patch availableCNA
  • GitLab VendorGitLab Affected 13.4 to before 14.2.6; 14.3 to before 14.3.4; 14.4 to before 14.4.1 Fixed in 14.2.6, 14.3.4, 14.4.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*13.4.0 to before 14.2.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*13.4.0 to before 14.2.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*14.3.0 to before 14.3.4VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*14.3.0 to before 14.3.4VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*14.4.0VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*14.4.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 13.4.0 to before 14.2.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 13.4.0 to before 14.2.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:* Versions 14.4.0 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:* Versions 14.4.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 14.2.6, 14.3.4, 14.4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39902
  2. 2026-10-03 Alias added: GHSA-8f66-6ff4-3fj6

References

Advisory 2

Other 1

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences