MEDIUM

CVE-2026-6269

Gitlab GitLab 2026-06-11 CVSS v3.1

CVSS

5.4

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.

Summary dbcve.org

GitLab CE/EE had an authorization bypass where authenticated users with developer-role permissions could modify hidden merge requests they should not have access to, due to incorrect authorization enforcement logic.

Mitigation

Upgrade GitLab to version 18.10.8 and later, 18.11.5 and later, or 19.0.2 and later to apply the patched release.

Weakness (CWE)

CWE-863 Incorrect Authorization

EPSS Score

0.19%

Probability of exploitation in next 30 days

8.6th percentile

References

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

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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