CVE-2026-50564 Fission Environment CRD podspec passthrough enables hostPID/hostNetwork/privileged pods, node escape

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, Fission's Environment CRD exposes spec.runtime.podSpec and spec.builder.podSpec, which are merged into the Kubernetes pod specs fo...

CVE-2026-50564

CVE-2026-50564 concerns Fission’s Environment CRD prior to version 1.24.0, where spec.runtime.podSpec and spec.builder.podSpec were merged into runtime/builder pod specs without filtering. This allowed propagation of hostNetwork, hostPID, hostIPC, container privileged, and serviceAccountName from...

CVE-2026-50564 Fission Environment CRD podspec passthrough enables hostPID/hostNetwork/privileged pods, node escape

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, Fission's Environment CRD exposes spec.runtime.podSpec and spec.builder.podSpec, which are merged into the Kubernetes pod specs fo...

CVE-2026-50545 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous...

CVE-2026-50545

Fission (Kubernetes-native serverless) prior to version 1.24.0 allowed Environment.spec.runtime.podSpec and spec.builder.podSpec passthrough without validation, and MergePodSpec could propagate dangerous fields into generated pods. This CVE—CVE-2026-50545—describes a PodSpec injection with potent...

CVE-2026-50545 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous...