Incident Library?

API · MCP 한국어

Incident Library?

API · MCP 한국어

Component ?

cert-manager

cert-manager · cert-manager

2 cases · 2024 to 2026

Root cause ?Software defect 1 Breaking change in an upgrade 1

Contributing factor ?Change with a delayed effect 1

Symptom ?Deploys failing 1 Misrouted requests 1 TLS certificate errors 1

Cases, by severity

IL-0098 After 2i2c moved from ingress-nginx to nginx-ingress, a hub's Ingress took priority over cert-manager's temporary Ingress for the same host, so new hubs could not get TLS certificates2i2c · 2026
Root cause Breaking change in an upgrade
IL-0173 cert-manager's preferredChain logic picked the Let's Encrypt chain through the expired DST Root CA X3, so clients built on an old BoringSSL could not connect to a development serverDevsisters · 2024
Root cause Software defect

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