Exposure of Sensitive Information Through Metadata in GitLab
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.
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 | 8.8 to before 19.0.5; 19.1 to before 19.1.3; 19.2 to before 19.2.1 | 19.0.5, 19.1.3, 19.2.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 8.8 to before 19.0.5; 19.1 to before 19.1.3; 19.2 to before 19.2.1 Fixed in 19.0.5, 19.1.3, 19.2.1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 8.8.0 to before 19.0.5 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 8.8.0 to before 19.0.5 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 19.1.0 to before 19.1.3 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 19.1.0 to before 19.1.3 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:community:*:*:* | 19.2.0 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:enterprise:*:*:* | 19.2.0 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 8.8.0 to before 19.0.5 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 8.8.0 to before 19.0.5 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 19.1.0 to before 19.1.3 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 19.1.0 to before 19.1.3 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:community:*:*:* Versions 19.2.0 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:enterprise:*:*:* Versions 19.2.0 Vulnerable ·GitLab
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 19.0.5, 19.1.3, 19.2.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
GitLab 19.0.5, 19.1.3, 19.2.1
11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2026-05558 Incorrect Authorization in GitLabPriority MEDIUM 63
- TI-2026-12127 Missing Authorization in GitLabPriority MEDIUM 56
- TI-2026-02672 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority MEDIUM 55
Timeline
- 2026-10-02 Threatist record created from CVE-2026-14351
- 2026-10-03 Alias added: GHSA-86r3-q889-hvg2
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-2026-14351 · CVE Program
- CVE-2026-14351 · NVD
- FIRST EPSS
- GHSA-86r3-q889-hvg2 · 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