RHSA-2026:94533 — Security Advisory
Red Hat Security Advisory: cockpit security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 4, 2026
Updated · November 4, 2026
Topic
An update for cockpit is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Cockpit enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more.
Security Fix(es):
-
cockpit: Cockpit: Denial of Service in
cockpit-wsdue to URL-root handling without a trailing slash (CVE-2026-91147) -
cockpit: Cockpit: Denial of Service via unbounded connection thread spawning (CVE-2026-91149)
-
cockpit-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via CockpitLang cookie in send_login_html (CVE-2026-76235)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.