PT-2026-122421

Summary The Postgres and SQLite stores save a namespace as its labels joined with ., so "tenant", "bob" and "tenant.bob", map to the same stored namespace. put rejected labels containing ., but get, search, delete, list namespaces, their async versions, and ops passed directly to batch/abatch did...

CVE-2026-89559

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Prevent integer overflow in ndlabelvalidate The on-media namespace index field nslot is a u32 read from the DIMM label storage area. ndlabelvalidate bounds it against the config area size, but sizeofnamespacelab...

CVE-2026-15228 Kong Kubernetes Ingress Controller cluster-wide ingress configuration DoS via CA-certificate ID collision

Kong Kubernetes Ingress Controller KIC allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. KIC collects CA-certificate Secrets across all watched namespaces using a label selector alone, without ingress-class or namespace...

PT-2026-54763

Name of the Vulnerable Software and Affected Versions Rancher Fleet affected versions not specified Description An authentication bypass exists in the webhook component. Additionally, a Pod Security Standard PSS bypass can be achieved through the manipulation of namespace labels. Recommendations ...

EUVD-2025-25141

Malicious code in bioql PyPI...

Namespace Label Injection

github.com/projectcapsule/capsule is vulnerable to namespace label injection. The vulnerability is due to improper validation of labels in system namespaces, which allows an attacker to inject arbitrary labels, bypass multi-tenant isolation, and escalate privileges to access cross-tenant resource...

CVE-2025-55205

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

CVE-2025-55205

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

CVE-2025-55205

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

CVE-2025-55205 Capsule tenant owners with "patch namespace" permission can hijack system namespaces label

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

CVE-2025-55205

CVE-2025-55205 concerns Capsule (Kubernetes multi-tenant framework). Affected: Capsule v0.10.3 and earlier; fixed in v0.10.4. Vulnerability: authenticated tenant users can inject arbitrary labels into system namespaces (e.g., kube-system, default, capsule-system) via namespace labeling, bypassing...

CVE-2025-55205: Incorrect Authorization

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

Capsule security vulnerabilities

Capsule is a multi-tenant and policy-based framework for Kubernetes open-sourced by Project Capsule. A security vulnerability exists in Capsule 0.10.3 and earlier versions that stems from a namespace label injection vulnerability that could lead to elevation of privilege and cross-tenant resource...

PT-2025-33668

Name of the Vulnerable Software and Affected Versions: Capsule versions prior to 0.10.4 Description: Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection issue in earlier versions allows authenticated tenant users to inject arbitrary labels into system...

GO-2022-0959 Network Policies & (Clusterwide) Cilium Network Policies with namespace label selectors may unexpectedly select pods with maliciously crafted labels in github.com/cilium/cilium

Network Policies & Clusterwide Cilium Network Policies with namespace label selectors may unexpectedly select pods with maliciously crafted labels in github.com/cilium/cilium...