Incorrect User Management in GitLab
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A business logic error in GitLab EE affecting all versions prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows access to internal projects. A service account is not deleted when a namespace is deleted, allowing access to internal projects.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitLab | GitLab | before 16.2.8; 16.3 to before 16.3.5; 16.4 to before 16.4.1 | 16.2.8, 16.3.5, 16.4.1 | Patch available | CNA |
- GitLab VendorGitLab Affected before 16.2.8; 16.3 to before 16.3.5; 16.4 to before 16.4.1 Fixed in 16.2.8, 16.3.5, 16.4.1 Patch available CNA
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 16.2.8, 16.3.5, 16.4.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
GitLab 16.2.8, 16.3.5, 16.4.1
11 records Highest priority Priority HIGH 2 HIGH, 6 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2023-03652 Improper Validation of Specified Type of Input in GitLabPriority HIGH 66
- TI-2023-03191 Insertion of Sensitive Information Into Sent Data in GitLabPriority HIGH 66
- TI-2023-03654 URL Redirection to Untrusted Site ('Open Redirect') in GitLabPriority MEDIUM 64
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3914
- 2026-10-03 Alias added: GHSA-6f6c-487w-2449
References
Exploit 1
Other 1
More Gitlab vulnerabilities
- 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
Sources
- CVE-2023-3914 · CVE Program
- CVE-2023-3914 · NVD
- FIRST EPSS
- GHSA-6f6c-487w-2449 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences