In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.
Why it matters now
EPSS 0.01041 64th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 13.0.12, 13.1.6, 13.2.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitLab | GitLab | 1.0 to before 13.0.12; 13.1 to before 13.1.6; 13.2 to before 13.2.3 | 13.0.12, 13.1.6, 13.2.3 | Patch available | CNA |
- GitLab VendorGitLab Affected 1.0 to before 13.0.12; 13.1 to before 13.1.6; 13.2 to before 13.2.3 Fixed in 13.0.12, 13.1.6, 13.2.3 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | 1.0.0 to before 13.0.12; 13.1.0 to before 13.1.6; 13.2.0 to before 13.2.3 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* Versions 1.0.0 to before 13.0.12; 13.1.0 to before 13.1.6; 13.2.0 to before 13.2.3 Vulnerable ·GitLab
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 13.0.12, 13.1.6, 13.2.3
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13293
- 2026-10-03 Alias added: GHSA-6c6c-hp4f-xg67
References
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-2020-13293 · CVE Program
- CVE-2020-13293 · NVD
- FIRST EPSS
- GHSA-6c6c-hp4f-xg67 · 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