Kubernetes Ingress-Nginx vulnerabilities

CVE-2026-4342 [HIGH] CWE-20 CVE-2026-4342: A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be u A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all

CVE-2026-3288 [HIGH] CWE-20 CVE-2026-3288: A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/rewrite-targ A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/rewrite-target` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation,

CVE-2025-15566 [HIGH] CWE-20 CVE-2025-15566: A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-s A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default ins

CVE-2026-1580 [HIGH] CWE-20 CVE-2026-1580: A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, th

CVE-2026-24512 [HIGH] CWE-20 CVE-2026-24512: A security issue was discovered in ingress-nginx where the `rules.http.paths.path` Ingress field can A security issue was discovered in ingress-nginx where the `rules.http.paths.path` Ingress field can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can acce

CVE-2026-24514 [MEDIUM] CWE-770 CVE-2026-24514: A security issue was discovered in ingress-nginx where the validating admission controller feature i A security issue was discovered in ingress-nginx where the validating admission controller feature is subject to a denial of service condition. By sending large requests to the validating admission controller, an attacker can cause memory consumption, which may result in the ingress-nginx controller pod being killed or the node running out of memory

CVE-2026-24513 [LOW] CWE-754 CVE-2026-24513: A security issue was discovered in ingress-nginx where the protection afforded by the `auth-url` Ing A security issue was discovered in ingress-nginx where the protection afforded by the `auth-url` Ingress annotation may not be effective in the presence of a specific misconfiguration. If the ingress-nginx controller is configured with a default custom-errors configuration that includes HTTP errors 401 or 403, and if the configured default custom-erro

CVE-2025-1097 [HIGH] CWE-20 CVE-2025-1097: A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-tls-match-cn` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the de

CVE-2025-24514 [HIGH] CWE-20 CVE-2025-24514: A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-url` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default i

CVE-2025-1098 [HIGH] CWE-20 CVE-2025-1098: A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `mirror-target` and `mirror-host` Ingress annotations can be used to inject arbitrary configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the control

CVE-2025-24513 [MEDIUM] CWE-20 CVE-2025-24513: A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where attacker-provided data are included in a filename by the ingress-nginx Admission Controller feature, resulting in directory traversal within the container. This could result in denial of service, or when combined with other vulnerabilities, limited disc

CVE-2025-1974 [CRITICAL] CWE-653 ingress-nginx admission controller RCE escalation ingress-nginx admission controller RCE escalation A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secre

CVE-2024-7646 [HIGH] CWE-20 CVE-2024-7646: A security issue was discovered in ingress-nginx where an actor with permission to create Ingress ob A security issue was discovered in ingress-nginx where an actor with permission to create Ingress objects (in the `networking.k8s.io` or `extensions` API group) can bypass annotation validation to inject arbitrary commands and obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets i

CVE-2023-5043 [HIGH] CWE-20 CVE-2023-5043: Ingress nginx annotation injection causes arbitrary command execution. Ingress nginx annotation injection causes arbitrary command execution.

CVE-2023-5044 [HIGH] CWE-20 CVE-2023-5044: Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation. Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.

CVE-2022-4886 [MEDIUM] CWE-20 CVE-2022-4886: Ingress-nginx `path` sanitization can be bypassed with `log_format` directive. Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.

CVE-2021-25748 [MEDIUM] CWE-20 CVE-2021-25748: A security issue was discovered in ingress-nginx where a user that can create or update ingress obje 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 credentials of the ingress-nginx controller. In the defau

CVE-2021-25746 [HIGH] CWE-20 CVE-2021-25746: A security issue was discovered in ingress-nginx where a user that can create or update ingress obje 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 credential has access to all secrets in the cluster.

CVE-2021-25745 [HIGH] CWE-20 CVE-2021-25745: A security issue was discovered in ingress-nginx where a user that can create or update ingress obje 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 configuration, that credential has access to all secret

CVE-2021-25742 [HIGH] CWE-20 CVE-2021-25742: A security issue was discovered in ingress-nginx where a user that can create or update ingress obje 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.