---
id: CVE-2026-9807
title: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under
  certain conditions could have allowed a blocked Project Access Token to
  continue acce…
summary: >-
  GitLab has remediated an issue in GitLab CE/EE affecting all versions from
  18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under
  certain conditions could have allowed a blocked Project Access Token to
  continue acce…
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 >= 18.9.0, < 18.10.7'
  - 'gitlab >= 18.11.0, < 18.11.4'
  - gitlab = 19.0.0
patched:
  - gitlab 18.11.4
published: '2026-05-28'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-9807'
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/590694'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3554993'
    label: cve@gitlab.com
tags:
  - nvd
epss: 0.00331
epssPercentile: 0.24574
ingestedAt: '2026-10-14T20:53:12.336Z'
---

## Overview

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.

## Affected

- `gitlab >= 18.9.0, < 18.10.7`
- `gitlab >= 18.11.0, < 18.11.4`
- `gitlab = 19.0.0`

## Remediation

Upgrade past the affected range:

- `gitlab 18.11.4`