Vulnerability details
CVE-2025-14513
GitLab GitLab
Improper Validation of Specified Quantity in Input in GitLab
CVSS 3.1
7.5High
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an unauthenticated user to cause a denial of service condition due to improper input validation when processing specially crafted JSON payloads in the protected branches API.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (GitLab) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| GitLab | GitLab | 16.11 ≤ v < 18.7.6 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 18.8 ≤ v < 18.8.6 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 18.9 ≤ v < 18.9.2 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://hackerone.com/reports/3452477 technical-descriptionexploitpermissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/583718
- https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
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Details
- Published
- 2026-03-11
- Last updated
- 2026-03-11
- State
- Published
- Assigner (CNA)
- GitLab
Exploit prediction (EPSS)
0.55%
Probability of exploitation in 30 days
46.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-1284Improper Validation of Specified Quantity in Input