Issued at: 2026-11-13
Updated at: 2026-11-14
Advisory content derived from Red Hat RHSA-2026:99603, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: cockpit security update
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: Local privilege escalation via insecure symlink handling in public key addition helper (CVE-2026-91151)
* cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages (CVE-2026-91150)
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.