一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年10月20日

CVE-2026-105312 [CRITICAL] – A Kubernetes tenant with create permission on Console custom resources can set spec.contai

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A Kubernetes tenant with create permission on Console custom resources can set spec.containers.api.spec.image to an arbitrary container image. The operator deploys this image into a pod whose ServiceAccount is bound via ClusterRoleBinding to a ClusterRole granting cluster-wide get/list/watch on all Strimzi CRDs (including KafkaUsers), patch on Kafkas/KafkaRebalances, and cluster-monitoring-view. The attacker’s code reads the projected SA token and gains cross-tenant Strimzi control-plane read+write access.