CVE-2021-25735

CVE-2021-25735 Explotación de CVE-2021-25735: Omisión del Webhook de Admisión de Validación de Kubernetes Configurar el entorno vulnerable Comencemos ejecutando el script gencerts.sh para generar certificados y claves TLS. bash gencerts.sh Para implementar el controlador de admisión necesitas...

externalip-webhook

externalip-webhook created to address CVE-2020-8554 Note: This chart is deprecated for kubernetes version 1.21 and unsupported starting with 1.22. To mitigate CVE-2020-8554, enable the DenyServiceExternalIPs admission controller on the cluster. externalip-webhook, is a validating webhook which...

CVE-2025-1974

CVE-2025-1974 — IngressNightmare ingress-nginx Introducción Este documento presenta la investigación de la vulnerabilidad CVE-2025-1974 , que afecta al componente ingress-nginx validating admission controller para Kubernetes. CVE-2025-1974 es una vulnerabilidad crítica CVSS 3.1 9.8, que consiste ...

GO-2024-2428 vulnerabilities

Vulnerabilities for packages: ingress-nginx-controller...

GHSA-GC3J-79F2-7VVW Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance

Summary A low-privilege developer who could create a KubernetesWatchTrigger KWT in their own namespace was able to establish a persistent surveillance channel over any other namespace. Details Two independent flaws compounded: 1. pkg/kubewatcher/kubewatcher.go::createKubernetesWatch used...

Capsule: Incomplete fix of CVE-2026-30963: singular/plural typo leaves namespaces/finalize unprotected

Summary Capsule v0.13.2 webhook rules contain namespace/finalize singular instead of namespaces/finalize plural. K8s requires plural. The finalize defense from CVE-2026-30963 fix is absent. Details PUT to /api/v1/namespaces//finalize has resource=namespaces plural. The singular rule never matches...

CVE-2026-30963

Capsule is a multi-tenancy and policy-based framework for Kubernetes. To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and...

CVE-2026-30963

Capsule (a Kubernetes multi-tenancy framework) relied on a webhook to validate namespace updates, but prior to v0.13.0 it did not intercept namespace/status or namespace/finalize subresource changes. This omission enables a tenant with permission to modify those subresources to hijack other names...

CVE-2026-30963 Capsule Namespace Hijacking via subresource

Capsule is a multi-tenancy and policy-based framework for Kubernetes. To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and...

CVE-2026-30963 Capsule Namespace Hijacking via subresource

Capsule is a multi-tenancy and policy-based framework for Kubernetes. To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and...

EUVD-2026-33739

Capsule is a multi-tenancy and policy-based framework for Kubernetes. To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and...

GHSA-2WW6-HF35-MFJM Capsule Namespace Hijacking via subresource

Summary To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and namespace/status subresource APIs can also modify various fields of a...

Capsule Namespace Hijacking via subresource

Summary To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and namespace/status subresource APIs can also modify various fields of a...

PT-2026-44722

Name of the Vulnerable Software and Affected Versions Capsule versions prior to 0.13.0 Description Capsule uses a webhook to validate update requests targeting namespaces to prevent namespace hijacking. However, the webhook fails to define interception rules for the 'namespace/finalize' and...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via the overrides.yoke.cd/flight annotation, which allows a user-supplied URL to be used directly by the controller without validation. An attacker can execute arbitrary code within the controller context by...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via the overrides.yoke.cd/flight annotation, which allows a user-supplied URL to be used directly by the controller without validation. An attacker can execute arbitrary code within the controller context by...

Important: Red Hat Security Advisory: Gatekeeper v3.18.0

Gatekeeper v3.18.0 Gatekeeper v3.18.0 Gatekeeper is a validating webhook with auditing capabilities that can enforce custom resource definition-based policies that are run with the Open Policy Agent OPA. Gatekeeper is supported through a Red Hat Advanced Cluster Management for Kubernetes...

Duplicate Advisory: KubeVirt arbitrary host file read from the VM

Duplicate Advisory This advisory is a duplicate of GHSA-qv98-3369-g364. This link is maintained to preserve external references. Original Description Summary As part of a Kubevirt audit performed by NCC group, a finding dealing with systemic lack of path sanitization which leads to a path travers...

PT-2022-14121 · Kubevirt +1 · Kubevirt +1

Name of the Vulnerable Software and Affected Versions: KubeVirt versions up to 0.56 KubeVirt version 0.55.1 Description: A path traversal vulnerability in KubeVirt allows a user able to configure the kubevirt to read arbitrary files on the host filesystem which are publicly readable or which are...

Oracle Linux 7 / 8 : olcne / istio / istio (ELSA-2022-9362)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9362 advisory. - Addresses CVE-2022-24726, CVE-2022-24921 istio Tenable has extracted the preceding description block directly from the Oracle Linux security...