CVE-2025-12664

HIGH

Improper Validation of Specified Quantity in Input in GitLab

Title source: cna

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service by sending repeated GraphQL queries.

References (3)

[Exploit] https://hackerone.com/reports/3377091

https://gitlab.com/gitlab-org/gitlab/-/work_items/579376

https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

Scores

CVSS v3 7.5

EPSS 0.0005

EPSS Percentile 16.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-1284

Status published

Products (4)

GitLab/GitLab 13.0 - 18.8.9

gitlab/gitlab 13.0.0 - 18.8.9 (2 CPE variants)

GitLab/GitLab 18.10 - 18.10.3

GitLab/GitLab 18.9 - 18.9.5

Published Apr 08, 2026

Tracked Since Apr 09, 2026