CVE-2021-25742
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.
Date published : 2021-10-29
https://github.com/kubernetes/ingress-nginx/issues/7837
https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY