Improper Authentication in Kubevirt - CVE-2025-64434
Published: November 7, 2025 / Updated: November 7, 2025
Vulnerability identifier: #VU118180
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2025-64434
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Kubevirt
Affected software:
Kubevirt
Kubevirt
Detailed vulnerability description
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to improper TLS certificate management within virt-handler. A local user can execute privileged operations against other virt-handler instances.
How to mitigate CVE-2025-64434
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.