RHSA-2026:97539 - Security Advisory

Topic

An update for cockpit-machines 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 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)

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 9 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 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for ARM 64 9 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

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/9/html/9.9_release_notes/index