CVE-2026-0595

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/584975	Broken Link Issue Tracking
https://hackerone.com/reports/3486862	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

12 Feb 2026, 21:16

Type	Values Removed	Values Added
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:::::community:::*
First Time		Gitlab Gitlab gitlab
References	~~() https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/ -~~	() https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/584975 -~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/584975 - Broken Link, Issue Tracking
References	~~() https://hackerone.com/reports/3486862 -~~	() https://hackerone.com/reports/3486862 - Permissions Required

11 Feb 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-11 12:16

Updated : 2026-02-12 21:16

NVD link : CVE-2026-0595

Mitre link : CVE-2026-0595

CVE.ORG link : CVE-2026-0595

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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