High severity · published Mar 11, 2026
CVE-2025-14513
Improper Validation of Specified Quantity in Input in GitLab
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
16.11 before 18.7.6; 18.8 before 18.8.6; 18.9 before 18.9.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14513
Release Notes
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/work_items/583718
Permissions Required
https://hackerone.com/reports/3452477
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