{"id":"CVE-2026-91147","published":"2026-09-18T17:17:05.427","lastModified":"2026-09-22T17:17:28.777","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-617"],"vendors":[],"products":[],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-91147","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479230","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479230","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}