Improper User Management in GitLab
Priority MEDIUM 41CWE-286Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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
A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00683 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 16.4.4, 16.5.4, 16.6.2
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitLab | GitLab | 16.0 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.2 | 16.4.4, 16.5.4, 16.6.2 | Patch available | CNA |
- GitLab VendorGitLab Affected 16.0 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 16.0.0 to before 16.4.4; 16.5 to before 16.5.4; 16.6 to before 16.6.2 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.0.0 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
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3907
- 2026-10-03 Alias added: GHSA-hmrg-q92x-qw2x
References
Exploit 1
Advisory 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-2023-3907 · CVE Program
- CVE-2023-3907 · NVD
- FIRST EPSS
- GHSA-hmrg-q92x-qw2x · 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