## Summary Nuclio controller builds a `curl` invocation string for each cron trigger and stores it as the `args` of a Kubernetes CronJob container (`/bin/sh`, `-c`, ``). Two fields in the trigger specification flow into this string without adequate sanitization: - `event.headers` keys — interpolated verbatim inside double-quoted `--header` arguments (`lazy.go:2150`); any key containing `"
Microsoft Azure | Kubernetes | Docker
PoC Research
CVE-2026-52831
GHSA
Update to v0.21.27