Tag: Nginx

Problems related to Nginx, such as weak ciphers, configuration errors, or performance issues

ID	Title	Description	Category	Technology	Tags
prequel-2025-0027 Low Impact: 5/10 Mitigation: 2/10	Ingress Nginx Prefix Wildcard Error	The NGINX Ingress Controller rejects an Ingress manifest whose `pathType: Prefix` value contains a wildcard (``). Log excerpt: ``` ingress: default/api prefix path shouldn't contain wildcards ``` When the controller refuses the rule, it omits it from the generated `nginx.conf`; clients receive 404 / 502* responses even though the manifest was accepted by the Kubernetes API server. The problem appears most often after upgrading to ingress-nginx ≥ 1.8, where stricter validation was added.	Ingress Problems	ingress-nginx	Nginx Ingress Kubernetes
prequel-2025-0071 Critical Impact: 8/10 Mitigation: 4/10	CPU Cores Cause Silent ingress-nginx Worker Crashes	The ingress-nginx controller worker processes are crashing because there are too many for the limits specified for this deployment.	Proxy Problems	oom	Nginx Known Problem