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TI-2023-03651 Aliases CVE-2023-3915GHSA-3m8p-28cp-6cg5

Incorrect Execution-Assigned Permissions in GitLab

Priority HIGH 65CWE-279Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00682 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 16.1.5, 16.2.5, 16.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
GitLabGitLab16.1 to before 16.1.5; 16.2 to before 16.2.5; 16.3 to before 16.3.116.1.5, 16.2.5, 16.3.1Patch availableCNA
  • GitLab VendorGitLab Affected 16.1 to before 16.1.5; 16.2 to before 16.2.5; 16.3 to before 16.3.1 Fixed in 16.1.5, 16.2.5, 16.3.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*16.1.0 to before 16.1.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*16.1.0 to before 16.1.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*16.2 to before 16.2.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*16.2 to before 16.2.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:community:*:*:*16.3.0VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:enterprise:*:*:*16.3.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.1.0 to before 16.1.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.1.0 to before 16.1.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.2 to before 16.2.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.2 to before 16.2.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:community:*:*:* Versions 16.3.0 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:enterprise:*:*:* Versions 16.3.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.1.5, 16.2.5, 16.3.1

Fixed in the same release

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

  • Release ·

    GitLab 16.1.5, 16.2.5, 16.3.1

    9 records Highest priority Priority HIGH 2 HIGH, 4 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2023-04283 Allocation of Resources Without Limits or Throttling in GitLabPriority HIGH 72
    • TI-2023-03006 Inefficient Regular Expression Complexity in GitLabPriority MEDIUM 62
    • TI-2023-03002 Inefficient Regular Expression Complexity in GitLabPriority MEDIUM 62
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3915
  2. 2026-10-03 Alias added: GHSA-3m8p-28cp-6cg5

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