Incident Library

Organisation

PortSwigger

PortSwigger · portswigger

2 cases · 2024 to 2026

Root cause Breaking change in an upgrade2
Component Admission webhook1cert-manager1Cloud load balancer1ConfigMaps and Secrets1Helm1Ingress controller1Karpenter1Node operating system image1
Contributing factor Change with a delayed effect1Monitoring blind spot1Unpinned version1
Symptom Service outage2Container crash loop1TLS certificate errors1

Cases

  1. IL-0405 An expired AWS Load Balancer Controller webhook certificate left no healthy targets and took BSEE SaaS downPortSwigger · 2026

    Root cause Breaking change in an upgrade

  2. IL-0404 All BSEE SaaS customer pods on EKS crash-looped after Karpenter moved nodes to Bottlerocket v1.26.0, which broke JavaPortSwigger · 2024

    Root cause Breaking change in an upgrade