CVE-2026-2726

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during cross-repository operations.

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://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/590717	Broken Link
https://hackerone.com/reports/3543886	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:18.10.0::::community:::
	cpe:2.3:a:gitlab:gitlab:18.10.0::::enterprise:::

History

No history.

Information

Published : 2026-03-25 17:16

Updated : 2026-03-26 18:30

NVD link : CVE-2026-2726

Mitre link : CVE-2026-2726

CVE.ORG link : CVE-2026-2726

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

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