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TI-2023-04045 Aliases CVE-2023-4379GHSA-qrp8-hgrf-wv83

Incorrect Authorization in GitLab

Priority HIGH 70CWE-863Published · Updated

Key facts

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

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

Summary

An issue has been discovered in GitLab EE affecting all versions starting from 15.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Code owner approval was not removed from merge requests when the target branch was updated.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.006 48th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 16.2.8, 16.3.5, 16.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab15.3 to before 16.2.8; 16.3 to before 16.3.5; 16.4 to before 16.4.116.2.8, 16.3.5, 16.4.1Patch availableCNA
  • GitLab VendorGitLab Affected 15.3 to before 16.2.8; 16.3 to before 16.3.5; 16.4 to before 16.4.1 Fixed in 16.2.8, 16.3.5, 16.4.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*15.3.0 to before 16.2.8; 16.3.0 to before 16.3.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.4.0:*:*:*:enterprise:*:*:*16.4.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 15.3.0 to before 16.2.8; 16.3.0 to before 16.3.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.4.0:*:*:*:enterprise:*:*:* Versions 16.4.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.2.8, 16.3.5, 16.4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4379
  2. 2026-10-03 Alias added: GHSA-qrp8-hgrf-wv83

References

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