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 Enviro…
Published: 2026-06-10 · CVSS: 9.9 · CVSS 3.1
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 fields into the generated pods. This issue has been patched in version 1.24.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7