---
id: CVE-2026-10518
title: >-
  GitLab has remediated an issue in GitLab EE affecting all versions from 17.9
  before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain
  conditions could have allowed an authenticated user with guest-level
  permissions to…
summary: >-
  GitLab has remediated an issue in GitLab EE affecting all versions from 17.9
  before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain
  conditions could have allowed an authenticated user with guest-level
  permissions to…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-863
vendor: gitlab
product: gitlab
affected:
  - 'gitlab >= 17.9.0, < 19.2.7'
  - 'gitlab >= 19.3.0, < 19.3.3'
  - gitlab = 19.4.0
patched:
  - gitlab 19.3.3
published: '2026-09-29'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T17:08:36.230'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-10518'
references:
  - url: >-
      https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/
    label: cve@gitlab.com
  - url: 'https://gitlab.com/gitlab-org/gitlab/-/work_items/601723'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3686230'
    label: cve@gitlab.com
tags:
  - nvd
  - cve.org
epss: 0.00227
epssPercentile: 0.1335
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-29T12:41:53.321263Z'
ingestedAt: '2026-09-29T10:31:36.309Z'
---

## Overview

GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user with guest-level permissions to read private security policy content they were not authorized to access due to improper authorization enforcement.

## Affected

- `gitlab >= 17.9.0, < 19.2.7`
- `gitlab >= 19.3.0, < 19.3.3`
- `gitlab = 19.4.0`

## Remediation

Upgrade past the affected range:

- `gitlab 19.3.3`