Cockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash
Historical advisory recorded 3 Nov 2026 18:57:17 UTC. Read the latest advisory.
cve-program · CVE-2026-91147
PublishedA 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.
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cve-program · CVE-2026-91147
PublishedCockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash
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.
- Source published
- 18 Sep 2026 16:43:51 UTC
- Source modified
- 3 Nov 2026 17:53:02 UTC
- Saved here
- 3 Nov 2026 18:57:17 UTC
- Source terms
- CVE Program Terms of Use
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Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H