Incident Library?

API · MCP 한국어

Incident Library?

API · MCP 한국어

Component ?

Web application firewall rules

웹 애플리케이션 방화벽 규칙 · waf

1 case · 2026

Root cause ?Breaking change in an upgrade

Contributing factor ?Unrepresentative staging

Symptom ?High error rate Service outage

Cases, by severity

IL-0092 Upgrading ingress-nginx from 1.12.0 to 1.14.3 brought a newer ModSecurity and OWASP Core Rule Set whose false positives blocked HMPPS Auth, so users could not sign in to their applicationsUK Ministry of Justice · 2026
Root cause Breaking change in an upgrade

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