PT-2026-48646 · Gitlab · Gitlab

Published 2026-06-11 · Updated 2026-06-11 · CVE-2026-3553

NVD

CVSS v3.1

3.1

Low

Base vector

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

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 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 to access confidential issue details due to incorrect authorization checks.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-3553

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3578216 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3553 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/592295 · Note
• https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released · Note