CVE-2026-103515

GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data egress to a third-party service for that group and its descendant projects, due to insufficient granularity of the admin-lock enforcement controls.

CVSS v3 2.7 LOW

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/631564	Permissions Required
https://hackerone.com/reports/3871692	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:19.5.0::::enterprise:::

History

29 Oct 2026, 19:54

Type	Values Removed	Values Added
References	~~() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ -~~	() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/631564 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/631564 - Permissions Required
References	~~() https://hackerone.com/reports/3871692 -~~	() https://hackerone.com/reports/3871692 - Permissions Required
CPE		cpe:2.3:a:gitlab:gitlab:19.5.0::::enterprise::: cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
First Time		Gitlab Gitlab gitlab

22 Oct 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 01:16

Updated : 2026-10-30 18:17

NVD link : CVE-2026-103515

Mitre link : CVE-2026-103515

CVE.ORG link : CVE-2026-103515

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

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