PT-2026-48650 · Gitlab · Gitlab Ce/Ee

CVE-2026-6269 · Published 2026-06-11 · Updated 2026-06-13

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.10 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 Incorrect authorization enforcements allow an authenticated user with developer-role permissions to modify hidden merge requests under certain conditions.

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

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

BIT-GITLAB-2026-6269

CVE-2026-6269

Affected Products

Gitlab Ce/Ee

References · 10

• 🔥 https://hackerone.com/reports/3661880 · Exploit
• https://ubuntu.com/security/CVE-2026-6269 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-6269 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6269 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-6269 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2026-6269 · Vendor Advisory
• https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released · Note
• https://t.me/CVEtracker/56574 · Telegram Post
• https://gitlab.com/gitlab-org/gitlab/-/work_items/596625 · Note
• https://twitter.com/CVEnew/status/2065087732234190990 · Twitter Post