Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Date Jun 30, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท github.com/fission/fission
CVE CVE-2026-50545
High-risk advisory CVE-2026-50545

Summary

Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Why it matters

GitHub has published a reviewed security advisory for github.com/fission/fission. Prioritize it with other application dependency updates, especially because EPSS places it in the 22% percentile.

Operator check

Check whether github.com/fission/fission is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 22%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.