Uncontrolled resource consumption in GitLab
Priority LOW 22CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user
Why it matters now
EPSS 0.01199 68th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 14.2.6, 14.3.4, 14.4.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitLab | GitLab | 8.13 to before 14.2.6; 14.3.0 to before 14.3.4; 14.4.0 to before 14.4.1 | 14.2.6, 14.3.4, 14.4.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 8.13 to before 14.2.6; 14.3.0 to before 14.3.4; 14.4.0 to before 14.4.1 Fixed in 14.2.6, 14.3.4, 14.4.1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 8.13.0 to before 14.2.6 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 8.13.0 to before 14.2.6 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 14.3.0 to before 14.3.4 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 14.3.0 to before 14.3.4 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:* | 14.4.0 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:* | 14.4.0 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 8.13.0 to before 14.2.6 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 8.13.0 to before 14.2.6 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:* Versions 14.4.0 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:* Versions 14.4.0 Vulnerable ·GitLab
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 14.2.6, 14.3.4, 14.4.1
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39914
- 2026-10-03 Alias added: GHSA-wvgj-pjc7-8fc4
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-2021-39914 · CVE Program
- CVE-2021-39914 · NVD
- FIRST EPSS
- GHSA-wvgj-pjc7-8fc4 · GitHub Advisory Database · CC BY 4.0
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