CVE-2026-6896

GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

CVSS v3 8.7 HIGH

8.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.3 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/597887	Broken Link
https://hackerone.com/reports/3682085	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:::*

History

25 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) GitLab ha remediado un problema en GitLab EE que afecta a todas las versiones desde la 13.11 antes de la 18.11.7, la 19.0 antes de la 19.0.4, y la 19.1 antes de la 19.1.2 que bajo ciertas condiciones podría haber permitido a un usuario autenticado con permisos de rol de desarrollador ejecutar scripts arbitrarios en la sesión del navegador de otro usuario debido a una sanitización inadecuada de la entrada proporcionada por el usuario.

Information

Published : 2026-07-08 21:16

Updated : 2026-10-25 17:10

NVD link : CVE-2026-6896

Mitre link : CVE-2026-6896

CVE.ORG link : CVE-2026-6896

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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