Red Hat Security Advisory: cockpit-machines security update
Affects Red Hat cockpit-machinesSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.0 Medium.
Data as of 11 Nov 2026, 19:54 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.0 |
|---|
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 18 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10cockpit-machines | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10cockpit-machines | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9cockpit-machines | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9cockpit-machines | Affected– | Fixed in– |
AI-suggested
Red Hat has released updated cockpit-machines packages for Red Hat Enterprise Linux 10 that address these vulnerabilities. Users should apply the security update as detailed in Red Hat advisory RHSA-2026:98562 and the referenced article https://access.redhat.com/articles/11258 to remediate the issues. No additional mitigation steps are indicated beyond applying the official update.
Description
Multiple moderate security vulnerabilities were identified in the cockpit-machines component used for managing libvirt virtual machines on Red Hat Enterprise Linux 10. These include sensitive data exposure via command-line arguments, guest credentials exposure via JSON arguments in the process list, and information disclosure of the RHSM offline token via process arguments. Red Hat has issued a security update to address these issues.
References
- access.redhat.com/errata/RHSA-2026:98562 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2469258 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2469260 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2476266 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_98562.json (opens in a new tab)