Kong Ingress Controller for Kubernetes (KIC): Secret-backed plugin configurations leak through non-sensitive diagnostics endpoint — GHSA-3278-C88V-XRH4

Summary

## Summary A vulnerability in the Kong Ingress Controller (KIC) allows for the unauthorized exposure of sensitive plugin credentials through the diagnostics interface. Even when configured to redact sensitive information (using `--dump-sensitive-config=false`), KIC fails to sanitize the `Plugins` field in diagnostic configuration dumps. This causes secrets referenced via `configFrom.secretKeyRef` to be resolved and…

Product

go: github.com/kong/kubernetes-ingress-controller/v3 | go: github.com/kong/kubernetes-ingress-controller/v2 | go: github.com/kong/kubernetes-ingress-controller

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

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