GHSA-74j8-88mm-7496MediumCVSS 4.1
Confused Deputy in Kubernetes
🔗 CVE IDs covered (1)
📋 Description
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.
🎯 Affected products1
- go/k8s.io/kubernetes:<= 1.22.2
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2020-8561
- https://github.com/kubernetes/kubernetes/issues/104720
- https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY
- https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves
- https://security.netapp.com/advisory/ntap-20211014-0002
- https://github.com/advisories/GHSA-74j8-88mm-7496