RHSA-2026:97238 - Security Advisory

Topic

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

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 component for managing libvirt virtual machines.

Security Fix(es):

• lodash: lodash: Arbitrary code execution via untrusted input in template imports (CVE-2026-4800)
• lodash: Lodash: Prototype pollution allows deletion of built-in prototype properties via array path bypass (CVE-2026-2950)

Bug Fix(es) and Enhancement(s):

• CentOS 10 host: Can't create Cockpit virtual machine in Firefox, can create it in Chrome (JIRA:RHEL-146122)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, 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 ARM 64 10 aarch64

Fixes

• BZ - 2453496 - CVE-2026-4800 lodash: lodash: Arbitrary code execution via untrusted input in template imports
• BZ - 2453499 - CVE-2026-2950 lodash: Lodash: Prototype pollution allows deletion of built-in prototype properties via array path bypass
• RHEL-146122 - CentOS 10 host: Can't create Cockpit virtual machine in Firefox, can create it in Chrome

CVEs

• CVE-2026-2950
• CVE-2026-4800

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.3_release_notes/index