---
id: CVE-2025-12562
title: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could
  have allowed an unauthenticated user to create a denial of service condition
  by sending…
summary: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could
  have allowed an unauthenticated user to create a denial of service condition
  by sending…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: gitlab
product: gitlab
affected:
  - 'gitlab >= 11.10.0, < 18.4.6'
  - 'gitlab >= 18.5.0, < 18.5.4'
  - 'gitlab >= 18.6.0, < 18.6.2'
patched:
  - gitlab 18.6.2
published: '2025-12-11'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12562'
references:
  - url: >-
      https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/
    label: cve@gitlab.com
  - url: 'https://gitlab.com/gitlab-org/gitlab/-/issues/579152'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3360710'
    label: cve@gitlab.com
tags:
  - nvd
epss: 0.00864
epssPercentile: 0.57743
ingestedAt: '2026-10-14T21:57:04.794Z'
---

## Overview

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted GraphQL queries that bypass query complexity limits.

## Affected

- `gitlab >= 11.10.0, < 18.4.6`
- `gitlab >= 18.5.0, < 18.5.4`
- `gitlab >= 18.6.0, < 18.6.2`

## Remediation

Upgrade past the affected range:

- `gitlab 18.6.2`