nginx configmap size limit #118
Merged
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CRE rule NGINX Ingress ConfigMap size limit exceeded detection (CRE-2025-0120)
Detects NGINX Ingress Controller failures when ConfigMap exceeds Kubernetes' 1MB limit. Progressive accumulation of server blocks from Ingress resources causes configuration to breach size threshold, preventing new services from being routed and causing silent production outages.
/claim #96
closes #96
X post Post
Reproduction setup with k3s + ConfigMap generator
Reproducible test setup (Maintainers invited): nginx-configmap-size-limit
Live CRE Link: CRE PLAYGROUND LINK
# Run test ./reproduce.sh