Incorrect Authorization in GitLab
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user with guest-level permissions to read private security policy content they were not authorized to access due to improper authorization enforcement.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | 17.9 to before 19.2.7; 19.3 to before 19.3.3; 19.4 to before 19.4.1 | 19.2.7, 19.3.3, 19.4.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 17.9 to before 19.2.7; 19.3 to before 19.3.3; 19.4 to before 19.4.1 Fixed in 19.2.7, 19.3.3, 19.4.1 Patch available CNA
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 19.2.7, 19.3.3, 19.4.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
GitLab 19.2.7, 19.3.3, 19.4.1
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-58246 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority MEDIUM 40
- TI-2026-07854 Missing Authorization in GitLabPriority LOW 19
- TI-2026-03928 Missing Authorization in GitLabPriority LOW 17
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10518
- 2026-10-03 Alias added: GHSA-r9w4-9vh4-q9m8
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-2026-10518 · CVE Program
- CVE-2026-10518 · NVD
- FIRST EPSS
- GHSA-r9w4-9vh4-q9m8 · 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