CVE-2026-2104

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient 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 LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/	Vendor Advisory Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/589021	Broken Link
https://hackerone.com/reports/3541476	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:::::enterprise:::*

Configuration 2 (hide)

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

History

14 Apr 2026, 16:57

Type	Values Removed	Values Added
References	~~() https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ -~~	() https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ - Vendor Advisory, Release Notes
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/589021 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/589021 - Broken Link
References	~~() https://hackerone.com/reports/3541476 -~~	() https://hackerone.com/reports/3541476 - Permissions Required
First Time		Gitlab Gitlab gitlab
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:::::community:::*

08 Apr 2026, 23:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 23:16

Updated : 2026-04-14 16:57

NVD link : CVE-2026-2104

Mitre link : CVE-2026-2104

CVE.ORG link : CVE-2026-2104

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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