---
id: CVE-2026-1402
title: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under
  certain conditions could have allowed an authenticated user to cause denial of
  servic…
summary: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under
  certain conditions could have allowed an authenticated user to cause denial of
  servic…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: gitlab
product: gitlab
affected:
  - 'gitlab >= 17.1.0, < 18.10.7'
  - 'gitlab >= 18.11.0, < 18.11.4'
  - gitlab = 19.0.0
patched:
  - gitlab 18.11.4
published: '2026-05-27'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-1402'
references:
  - url: >-
      https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/
    label: cve@gitlab.com
  - url: 'https://gitlab.com/gitlab-org/gitlab/-/work_items/587569'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3517283'
    label: cve@gitlab.com
tags:
  - nvd
epss: 0.00471
epssPercentile: 0.39155
ingestedAt: '2026-10-14T20:53:12.334Z'
---

## Overview

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.

## Affected

- `gitlab >= 17.1.0, < 18.10.7`
- `gitlab >= 18.11.0, < 18.11.4`
- `gitlab = 19.0.0`

## Remediation

Upgrade past the affected range:

- `gitlab 18.11.4`
