CVE-2026-13201: Kubevirt: virt-handler-rhel9: kubevirt: safepath symlink following in virt-handler enables notify socket hijacking and node-level vm disruption

mediumCVSS 6.3CVE-2026-13201

CSIRTS triage

vendor: Kubevirt product: KubevirtOther

What: A vulnerability in virt-handler allows for notify socket hijacking and node-level VM disruption.
Who is affected: Deployments of Kubevirt are affected.
Urgency: Remediation is necessary due to the medium severity of the vulnerability.
Action: Update to a patched version of Kubevirt.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 6.3
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-13201

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-132010.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-13201	coverage & exploitation status	NVD · CVE.org

Recent advisories for Kubevirt

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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mediumCVE-2026-13318: A server-side request forgery (SSRF) flaw was found in KubeVirt's virt-api port-forward handle…nvd · 2026-06-26
mediumCVE-2026-13218: A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile func…nvd · 2026-06-26
mediumCVE-2026-13318: Virt-api-rhel9: kubevirt: kubevirt: ssrf in virt-api port-forward via unvalidated guest-agent-…msrc · 2026-06-09