CVE-2026-50565: Fission

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

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 builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the kubelet auto-mounted the service-account token into every container in the pod — including the user-supplied builder image. This issue has been patched in version 1.24.0.

Affected products

• Fission Fission: before 1.24.0 (fixed in 1.24.0)

Published 2026-06-10. Last modified 2026-06-17.