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TI-2023-04292 Aliases CVE-2023-4658GHSA-5p8h-m559-wpw7

Incorrect Authorization in GitLab

Priority LOW 16CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
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

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

Why it matters now

EPSS 0.00467 40th 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
GitLabGitLab8.13 to before 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 8.13 to 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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*8.13.0 to before 16.4.3; 16.5.0 to before 16.5.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:enterprise:*:*:*16.6.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 8.13.0 to before 16.4.3; 16.5.0 to before 16.5.3 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-2023-4658
  2. 2026-10-03 Alias added: GHSA-5p8h-m559-wpw7

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