Medium severity · published Oct 20, 2026
CVE-2026-113496
Cockpit-machines: vnc console password disclosure through virt-xml command-line arguments
5.0
CVSS
0.1%
EPSS
No
On KEV
Description
A flaw was found in cockpit-machines. When saving Virtual Network Computing (VNC) console settings, the configured password is passed directly as a command-line argument to an underlying system utility. A local unprivileged attacker on a host that allows cross-user process inspection could read the exposed password from the process list while another user modifies settings. This credential disclosure can allow unauthorized access to the guest virtual machine's graphical console.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113496
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113496
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-113496
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2556058
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