Ingress-Nginx Security Vulnerabilities

CVE-2020-8553

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or...

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.

CVE-2021-25745

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default ...

CVE-2021-25746

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that...

CVE-2021-25748

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a newline character to bypass the sanitization of the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credential...

CVE-2022-4886

Ingress-nginx path sanitization can be bypassed with log_format directive.

CVE-2023-5043

Ingress nginx annotation injection causes arbitrary command execution.

CVE-2023-5044

Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.