CVE-2026-6269

MEDIUM EPSS 8.5%
Published Jun 11, 20262w ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Jun 11, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

CVSS Details

Base Score
5.4
Exploitability
2.8
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-863 Incorrect Authorization Authorization

Affected Products 6

VendorProductVersionRange
gitlabgitlab*≥15.10.0  –  <18.10.8
gitlabgitlab*≥15.10.0  –  <18.10.8
gitlabgitlab*≥18.11.0  –  <18.11.5
gitlabgitlab*≥18.11.0  –  <18.11.5
gitlabgitlab*≥19.0.0  –  <19.0.2
gitlabgitlab*≥19.0.0  –  <19.0.2

References 3

  • about.gitlab.com https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/
    Release Notes
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/work_items/596625
    Issue Tracking
  • hackerone.com https://hackerone.com/reports/3661880
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.