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CVE-2026-13325: Virt-handler-rhel9: kubevirt: kubevirt: disabletls migration setting removes authentication, exposing unauthenticated virtqemud proxy on all interfaces

highCVSS 8.5CVE-2026-13325

CSIRTS triage

vendor: KubeVirtproduct: virt-handlerAuthentication bypass
What
The disabletls migration setting removes authentication, exposing an unauthenticated virtqemud proxy.
Who is affected
Deployments using KubeVirt with the virt-handler component.
Urgency
Remediation is high urgency due to the high severity rating and potential for unauthorized access.
Action
Reconfigure the migration settings to ensure TLS is enabled.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.5
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-13325

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-13325coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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