PT-2026-95505 · Red Hat+2 · Red Hat Enterprise Linux 10+5

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CVE-2026-91147

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Published

2026-09-18

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Updated

2026-09-18

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions cockpit-ws (affected versions not specified)
Description A flaw in cockpit-ws 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, the service can terminate unexpectedly, leading to the unavailability of the Cockpit web service.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Assertion Failure

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Weakness Enumeration

Related Identifiers

CVE-2026-91147

Affected Products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Openshift Dev Spaces
Cockpit