CVE-2026-5952

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.

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 NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/596134	Broken Link
https://hackerone.com/reports/3632428	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab:19.1.0:::::::*

History

26 Jun 2026, 18:38

Type	Values Removed	Values Added
References	~~() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ -~~	() https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/596134 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/596134 - Broken Link
References	~~() https://hackerone.com/reports/3632428 -~~	() https://hackerone.com/reports/3632428 - Permissions Required
First Time		Gitlab Gitlab gitlab
CPE		cpe:2.3:a:gitlab:gitlab:::::::: cpe:2.3:a:gitlab:gitlab:19.1.0:::::::*

25 Jun 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-25 05:16

Updated : 2026-06-26 18:38

NVD link : CVE-2026-5952

Mitre link : CVE-2026-5952

CVE.ORG link : CVE-2026-5952

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

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