CVE-2026-17527: Virt-cdi-operator: containerized-data-importer: cdi.kubevirt.io:view aggregated clusterrole grants create on datavolumes/source, allowing unauthorized pvc clone

CSIRTS triage

What: The cdi.kubevirt.io:view aggregated clusterrole incorrectly grants create permission on datavolumes/source, allowing unauthorized persistent volume clone operations.
Who is affected: Kubernetes clusters running containerized-data-importer with the affected clusterrole configuration.
Urgency: High priority; authorization bypass allows unauthorized data operations without exploitation complexity.
Action: Update containerized-data-importer to a patched version and review clusterrole permissions immediately.

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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-2026-175270.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-17527	coverage & exploitation status	NVD · CVE.org

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