Insertion of Sensitive Information Into Sent Data in GitLab
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-201.
Summary
An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | 16.0 to before 16.3.6; 16.4 to before 16.4.2; 16.5 to before 16.5.1 | 16.3.6, 16.4.2, 16.5.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 16.0 to before 16.3.6; 16.4 to before 16.4.2; 16.5 to before 16.5.1 Fixed in 16.3.6, 16.4.2, 16.5.1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 16.0.0 to before 16.3.6 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 16.0.0 to before 16.3.6 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 16.4.0 to before 16.4.2 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 16.4.0 to before 16.4.2 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:community:*:*:* | 16.5.0 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:enterprise:*:*:* | 16.5.0 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.0.0 to before 16.3.6 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.0.0 to before 16.3.6 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.4.0 to before 16.4.2 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.4.0 to before 16.4.2 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:community:*:*:* Versions 16.5.0 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:enterprise:*:*:* Versions 16.5.0 Vulnerable ·GitLab
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 16.3.6, 16.4.2, 16.5.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
GitLab 16.3.6, 16.4.2, 16.5.1
7 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2023-03179 Insertion of Sensitive Information Into Sent Data in GitLabPriority HIGH 70
- TI-2023-05361 Loop with Unreachable Exit Condition ('Infinite Loop') in GitLabPriority MEDIUM 62
- TI-2023-03042 Allocation of Resources Without Limits or Throttling in GitLabPriority MEDIUM 53
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5831
- 2026-10-03 Alias added: GHSA-53xh-mr6w-445f
References
Other 1
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-2023-5831 · CVE Program
- CVE-2023-5831 · NVD
- FIRST EPSS
- GHSA-53xh-mr6w-445f · 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