Incorrect Authorization in GitLab
Priority MEDIUM 63CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 CE/EE affecting all versions from 16.6 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 unauthorized user to view project import source information due to a missing authorization check.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00457 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 19.0.5, 19.1.3, 19.2.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | 16.6 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 16.6 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:*:*:* | 16.6.0 to before 19.0.5 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 16.6.0 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 16.6.0 to before 19.0.5 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.6.0 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-2026-12127 Missing Authorization in GitLabPriority MEDIUM 56
- TI-2026-02672 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority MEDIUM 55
- TI-2026-04067 Missing Authorization in GitLabPriority MEDIUM 53
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6336
- 2026-10-03 Alias added: GHSA-g9g2-qc64-jgcj
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-2026-6336 · CVE Program
- CVE-2026-6336 · NVD
- FIRST EPSS
- GHSA-g9g2-qc64-jgcj · 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