Name: CVE-2026-6976: Authorization Bypass Through User-Controlled Key
Creator: Rapid7
Published: 2026-06-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-6976, CWE-639, CVSS 3.7, EPSS 0.0023

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 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 hide changes from merge request diff views due to improper input handling of file names.

CVSS Details

CVSS 3.1 Base Score: 3.7
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Freebsd	—	Upgrade gitlab-eeUpgrade gitlab-ce	Jun 15, 2026	Jun 12, 2026
Gitlab Gitlab	—	Upgrade Gitlab to the latest version	Jun 12, 2026	Jun 11, 2026

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CVSS Details

Covered by Rapid7

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