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TI-2023-06110 Aliases CVE-2023-6680GHSA-wpj8-2grx-f965

Improper Certificate Validation in GitLab

Priority LOW 35CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.

Why it matters now

EPSS 0.00376 31st percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 16.4.4, 16.5.4, 16.6.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab11.6 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.216.4.4, 16.5.4, 16.6.2Patch availableCNA
  • GitLab VendorGitLab Affected 11.6 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.2 Fixed in 16.4.4, 16.5.4, 16.6.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*11.6 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 11.6 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.4.4, 16.5.4, 16.6.2

Fixed in the same release

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

  • Release ·

    GitLab 16.4.4, 16.5.4, 16.6.2

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2023-04661 Missing Authorization in GitLabPriority MEDIUM 53
    • TI-2023-05572 Improper Control of Generation of Code ('Code Injection') in GitLabPriority LOW 30
    • TI-2023-05073 Improper Control of Generation of Code ('Code Injection') in GitLabPriority LOW 26

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-6680
  2. 2026-10-03 Alias added: GHSA-wpj8-2grx-f965

References

  • 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