PT-2026-48652 · Gitlab · Gitlab

Published 2026-06-11 · Updated 2026-06-11 · CVE-2026-6976

NVD

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

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.

Exploit

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-6976

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3638136 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6976 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/598165 · Note
• https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released · Note