Authorization bypass in GitLab
Priority MEDIUM 53CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
An issue has been discovered in GitLab affecting all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. It was possible for an unauthorised user to add child epics linked to victim's epic in an unrelated group.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00651 51st percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 15.9.4, 15.10.1
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitLab | GitLab | 15.9 to before 15.9.4; 15.10 to before 15.10.1 | 15.9.4, 15.10.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 15.9 to before 15.9.4; 15.10 to before 15.10.1 Fixed in 15.9.4, 15.10.1 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 15.9.0 to before 15.9.4 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 15.9.0 to before 15.9.4 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:community:*:*:* | 15.10.0 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:enterprise:*:*:* | 15.10.0 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 15.9.0 to before 15.9.4 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 15.9.0 to before 15.9.4 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:community:*:*:* Versions 15.10.0 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:enterprise:*:*:* Versions 15.10.0 Vulnerable ·GitLab
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 15.9.4, 15.10.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1417
- 2026-10-03 Alias added: GHSA-96cq-cj7w-27g2
- 2026-10-14 EPSS moved to the 50th–90th percentile
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-2023-1417 · CVE Program
- CVE-2023-1417 · NVD
- FIRST EPSS
- GHSA-96cq-cj7w-27g2 · 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