CVE-2026-8937

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to read private child issue contents, including titles and descriptions, from projects they had no access to, due to missing authorization checks on linked work items within visible epics.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/600533	Broken Link
https://hackerone.com/reports/3702369	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:19.4.0::::community:::
	cpe:2.3:a:gitlab:gitlab:19.4.0::::enterprise:::

History

05 Oct 2026, 17:05

Type	Values Removed	Values Added
CPE		cpe:2.3:a:gitlab:gitlab:19.4.0::::community::: cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:19.4.0::::enterprise:::
First Time		Gitlab Gitlab gitlab
References	~~() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ -~~	() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/600533 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/600533 - Broken Link
References	~~() https://hackerone.com/reports/3702369 -~~	() https://hackerone.com/reports/3702369 - Permissions Required

29 Sep 2026, 10:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-29 10:17

Updated : 2026-10-05 17:05

NVD link : CVE-2026-8937

Mitre link : CVE-2026-8937

CVE.ORG link : CVE-2026-8937

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-862

Missing Authorization

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