CVE-2025-14513 Details
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.
A denial-of-service vulnerability has been identified in the protected branches API of GitLab Community Edition (CE) and Enterprise Edition (EE). This issue affects all versions from 16.11 prior to 18.7.6, 18.8 prior to 18.8.6, and 18.9 prior to 18.9.2. The vulnerability arises from improper input validation, allowing an unauthenticated user to disrupt service by sending specially crafted JSON payloads.
Users are advised to upgrade to GitLab versions 18.9.2, 18.8.6, or 18.7.6. Instructions for updating GitLab can be found on the GitLab Update page. For GitLab Runner, refer to the Updating the Runner page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/ | [email protected] | Release NotesVendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/583718 | [email protected] | Broken Link |
| https://hackerone.com/reports/3452477 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1284 | Improper Validation of Specified Quantity in Input | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 16.11.0, < 18.7.6 >= 18.8.0, < 18.8.6 >= 18.9.0, < 18.9.2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 13, 2026 | Initial Analysis | [email protected] |
| Mar 11, 2026 | New CVE Received | [email protected] |