CVE-2026-71471
Privileged attacker can deploy arbitrary containers to all managed clusters (RCE).
Is CVE-2026-71471 being exploited?
Not confirmed. CVE-2026-71471 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.0% probability of exploitation in the next 30 days.
How severe is CVE-2026-71471?
CVE-2026-71471 is rated Critical. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-71471?
Yes. A fix has been recorded for CVE-2026-71471. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-71471 affect?
CVE-2026-71471 affects acm-search-v2-rhel9, OpenShift Advanced Cluster Management (ACM) - hub cluster, Managed Kubernetes clusters. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71471?
Restrict hub patch permissions; block untrusted images; audit and rotate credentials; apply vendor patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution across all managed clusters by abusing Collector.ImageOverride to deploy arbitrary container images, enabling fleet-wide compromise and data access.
Immediate action required