CVE-2026-84284

Published: Oct 13, 2026Modified: Oct 22, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitability: 3.9 / Impact: 1.4

Source: cve@gitlab.com (Secondary)

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 19.2.8, 19.3 before 19.3.6, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.

Affected (4)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	17.11.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.4.2
Gitlab Gitlab	17.11.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.4.2

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (3)

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/

Source: cve@gitlab.com

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/627167

Source: cve@gitlab.com

Issue Tracking

https://hackerone.com/reports/3551698

Source: cve@gitlab.com

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Timeline

No history available yet.