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CVE-2026-91147

MEDIUM CVSS: 5.9 Published: 2026-09-18 Modified: 2026-09-18

Description

A flaw was found in `cockpit-ws`. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a specially crafted request. When the `WebService.UrlRoot` is configured and a request is made to the exact URL-root prefix without a trailing slash, `cockpit-ws` can terminate unexpectedly. This issue leads to the unavailability of the Cockpit web service.

Affected Platforms

Unknown

Weakness Type

CWE-617

References