RHSA-2026:86971 - 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 Moderate. 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):

• cockpit-machines: cockpit-machines: Sensitive data exposure via command-line arguments (CVE-2026-92768)
• cockpit-machines: cockpit-machines: Sensitive Data Exposure of guest credentials via JSON argument in process list (CVE-2026-92747)
• cockpit-machines: cockpit-machines: Information Disclosure of RHSM Offline Token via Process Arguments (CVE-2026-92745)

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

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 x86_64 - Extended Update Support 10.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
• Red Hat Enterprise Linux for ARM 64 10 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
• Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x

Fixes

• BZ - 2469258 - CVE-2026-92768 cockpit-machines: cockpit-machines: Sensitive data exposure via command-line arguments
• BZ - 2469260 - CVE-2026-92747 cockpit-machines: cockpit-machines: Sensitive Data Exposure of guest credentials via JSON argument in process list
• BZ - 2476266 - CVE-2026-92745 cockpit-machines: cockpit-machines: Information Disclosure of RHSM Offline Token via Process Arguments

CVEs

• CVE-2026-92745
• CVE-2026-92747
• CVE-2026-92768

References

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