CVE-2026-91147
Published:September 18, 2026
Updated:October 13, 2026
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 Packages
https://github.com/cockpit-project/cockpit.git (GITHUB):
Affected version(s) =367 <368Fix Suggestion:
Update to version 368Related Resources (2)
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Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Reachable Assertion
EPSS
Base Score:
0.40