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CVE-2026-91147 - Cockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash

CVE ID : CVE-2026-91147 Published : Sept. 18, 2026, 4:43 p. m. • 12 minutes ago 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. Severity: 5.9 • MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...