CVE-2026-1338

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper 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://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/	Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/587326	Not Applicable
https://hackerone.com/reports/3480620	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:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

16 May 2026, 03:36

Type	Values Removed	Values Added
First Time		Gitlab gitlab Gitlab
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:::::community:::*
References	~~() https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ -~~	() https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ - Release Notes
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/587326 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/587326 - Not Applicable
References	~~() https://hackerone.com/reports/3480620 -~~	() https://hackerone.com/reports/3480620 - Permissions Required

14 May 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-14 06:16

Updated : 2026-05-16 03:36

NVD link : CVE-2026-1338

Mitre link : CVE-2026-1338

CVE.ORG link : CVE-2026-1338

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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