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TI-2025-08023 Aliases CVE-2025-8770GHSA-gxh9-4vgj-w44j

Authorization Bypass Through User-Controlled Key in GitLab

Priority LOW 29CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00382 32nd percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 18.0.6, 18.1.4, 18.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab18.0 to before 18.0.6; 18.1 to before 18.1.4; 18.2 to before 18.2.218.0.6, 18.1.4, 18.2.2Patch availableCNA
  • GitLab VendorGitLab Affected 18.0 to before 18.0.6; 18.1 to before 18.1.4; 18.2 to before 18.2.2 Fixed in 18.0.6, 18.1.4, 18.2.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.0.0 to before 18.0.6; 18.1.0 to before 18.1.4; 18.2.0 to before 18.2.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.0.0 to before 18.0.6; 18.1.0 to before 18.1.4; 18.2.0 to before 18.2.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 18.0.6, 18.1.4, 18.2.2

Fixed in the same release

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

  • Release ·

    GitLab 18.0.6, 18.1.4, 18.2.2

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2025-07059 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority LOW 38
    • TI-2025-01269 Allocation of Resources Without Limits or Throttling in GitLabPriority LOW 33
    • TI-2024-11413 Incorrect Privilege Assignment in GitLabPriority LOW 32
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8770
  2. 2026-10-03 Alias added: GHSA-gxh9-4vgj-w44j

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