PT-2026-48652 · Gitlab · Gitlab Ce/Ee

CVE-2026-6976 · Published 2026-06-11 · Updated 2026-06-12

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.9 through 18.10.7 GitLab CE/EE versions 18.11 through 18.11.4 GitLab CE/EE versions 19.0 through 19.0.1

Description Improper input handling of file names allows an authenticated user with developer-role permissions to hide changes from merge request diff views under certain conditions.

Recommendations Update to version 18.10.8 Update to version 18.11.5 Update to version 19.0.2

Exploit

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

BIT-GITLAB-2026-6976

CVE-2026-6976

Affected Products

Gitlab Ce/Ee

References · 10

• 🔥 https://hackerone.com/reports/3638136 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6976 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-6976 · Security Note
• https://ubuntu.com/security/CVE-2026-6976 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2026-6976 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-6976 · Vendor Advisory
• 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
• https://twitter.com/CVEnew/status/2065087736210469140 · Twitter Post
• https://t.me/CVEtracker/56577 · Telegram Post