Read the docs
TI-2023-04804 Aliases CVE-2023-5226GHSA-6wgj-fxqf-wxj2

Improper Control of Generation of Code ('Code Injection') in GitLab

Priority LOW 34CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

An issue has been discovered in GitLab affecting all versions before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. Under certain circumstances, a malicious actor bypass prohibited branch checks using a specially crafted branch name to manipulate repository content in the UI.

Why it matters now

EPSS 0.00546 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 16.4.3, 16.5.3, 16.6.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLabbefore 16.4.3; 16.5 to before 16.5.3; 16.6 to before 16.6.116.4.3, 16.5.3, 16.6.1Patch availableCNA
  • GitLab VendorGitLab Affected before 16.4.3; 16.5 to before 16.5.3; 16.6 to before 16.6.1 Fixed in 16.4.3, 16.5.3, 16.6.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*before 16.4.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*before 16.4.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*16.5.0 to before 16.5.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*16.5.0 to before 16.5.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:community:*:*:*16.6.0VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:enterprise:*:*:*16.6.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions before 16.4.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions before 16.4.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.5.0 to before 16.5.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.5.0 to before 16.5.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:community:*:*:* Versions 16.6.0 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:enterprise:*:*:* Versions 16.6.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.4.3, 16.5.3, 16.6.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GitLab 16.4.3, 16.5.3, 16.6.1

    9 records Highest priority Priority MEDIUM 2 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2023-03670 Insertion of Sensitive Information Into Sent Data in GitLabPriority MEDIUM 63
    • TI-2023-03681 Incorrect Authorization in GitLabPriority MEDIUM 53
    • TI-2023-05556 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority LOW 38
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5226
  2. 2026-10-03 Alias added: GHSA-6wgj-fxqf-wxj2

References

Exploit 1

Advisory 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