CVE-2026-91147

Discovered by AISLEPUBLISHEDCWE-617

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.

CVSS Base Scores

CVSS v3.1(Primary)
5.9

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersionStatus
Red HatRed Hat Enterprise Linux 80:310.10-1.el8_10unaffected
Red HatRed Hat Enterprise Linux 90:356.4-1.el9_8unaffected
Red HatRed Hat Enterprise Linux 10——
Red HatRed Hat Enterprise Linux 7——
Red HatRed Hat OpenShift Dev Spaces——

Credits

  • This issue was discovered by Found by AISLE in partnership with Red Hat.

References