CVE-2026-10518

GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 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 with guest-level permissions to read private security policy content they were not authorized to access due to improper authorization enforcement.

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/601723	Broken Link
https://hackerone.com/reports/3686230	Permissions Required

Configurations

Configuration 1 (hide)

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

History

05 Oct 2026, 17:08

Type	Values Removed	Values Added
CPE		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/601723 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/601723 - Broken Link
References	~~() https://hackerone.com/reports/3686230 -~~	() https://hackerone.com/reports/3686230 - 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 17:08

NVD link : CVE-2026-10518

Mitre link : CVE-2026-10518

CVE.ORG link : CVE-2026-10518

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

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