RHSA-2026:7383 - Security Advisory

Topic

An update for cockpit is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of
Critical. 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: ws: be more explicit when handling hostnames on cli (CVE-2026-4631)

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.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 10 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for Power, little endian 10 ppc64le
• Red Hat Enterprise Linux for ARM 64 10 aarch64

Fixes

CVEs

• CVE-2026-4631

References

• https://access.redhat.com/security/updates/classification/#critical