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.

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Vendors Products
Advisories

No advisories yet.

Fixes

Solution

Upgrade to versions 18.10.8, 18.11.5, 19.0.2 or above.


Workaround

No workaround given by the vendor.

History

Thu, 11 Jun 2026 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

Thu, 11 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 11 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Authorization Bypass Through User-Controlled Key in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-639
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-06-11T12:33:23.414Z

Reserved: 2026-04-24T18:33:29.831Z

Link: CVE-2026-6976

cve-icon Vulnrichment

Updated: 2026-06-11T12:33:20.303Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-11T12:16:32.467

Modified: 2026-06-11T17:34:47.923

Link: CVE-2026-6976

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-11T13:00:15Z

Weaknesses