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TI-2023-05937 Aliases CVE-2023-6477GHSA-x645-349v-xwm6

Incorrect Privilege Assignment in GitLab

Priority LOW 32CWE-266Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0053 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 16.7.6, 16.8.3, 16.9.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
GitLabGitLab16.5 to before 16.7.6; 16.8 to before 16.8.3; 16.9 to before 16.9.116.7.6, 16.8.3, 16.9.1Patch availableCNA
  • GitLab VendorGitLab Affected 16.5 to before 16.7.6; 16.8 to before 16.8.3; 16.9 to before 16.9.1 Fixed in 16.7.6, 16.8.3, 16.9.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*16.5.0 to before 16.7.6; 16.8.0 – 16.8.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.9.0:*:*:*:enterprise:*:*:*16.9.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.5.0 to before 16.7.6; 16.8.0 – 16.8.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.9.0:*:*:*:enterprise:*:*:* Versions 16.9.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.7.6, 16.8.3, 16.9.1

Fixed in the same release

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

  • Release ·

    GitLab 16.7.6, 16.8.3, 16.9.1

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2024-00795 Direct Request ('Forced Browsing') in GitLabPriority MEDIUM 53
    • TI-2024-00372 Improper Enforcement of Behavioral Workflow in GitLabPriority LOW 36
    • TI-2024-01422 Authentication Bypass Using an Alternate Path or Channel in GitLabPriority LOW 24
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-6477
  2. 2026-10-03 Alias added: GHSA-x645-349v-xwm6

References

Exploit 1

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