CVE-2026-1660

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/588200	Broken Link
https://hackerone.com/reports/3518743	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:18.11.0::::community:::
	cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise:::

History

23 Apr 2026, 20:45

Type	Values Removed	Values Added
References	~~() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ -~~	() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/588200 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/588200 - Broken Link
References	~~() https://hackerone.com/reports/3518743 -~~	() https://hackerone.com/reports/3518743 - Permissions Required
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise::: cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:18.11.0::::community:::
First Time		Gitlab Gitlab gitlab

22 Apr 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 17:16

Updated : 2026-04-23 20:45

NVD link : CVE-2026-1660

Mitre link : CVE-2026-1660

CVE.ORG link : CVE-2026-1660

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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