CVE-2026-112778

Traefik before 2.11.46, 3.x before 3.6.17, and 3.7.0 lack namespace validation for Ingress and Service annotations in the Kubernetes Ingress provider, allowing references to Middlewares, ServersTransports, and TLSOptions in other namespaces. Attackers able to create or update Ingress or Service...

EUVD-2026-104584

Traefik before 2.11.46, 3.x before 3.6.17, and 3.7.0 lack namespace validation for Ingress and Service annotations in the Kubernetes Ingress provider, allowing references to Middlewares, ServersTransports, and TLSOptions in other namespaces. Attackers able to create or update Ingress or Service...

CVE-2026-112778

Traefik before 2.11.46, 3.x before 3.6.17, and 3.7.0 lack namespace validation for Ingress and Service annotations in the Kubernetes Ingress provider, allowing references to Middlewares, ServersTransports, and TLSOptions in other namespaces. Attackers able to create or update Ingress or Service...

PT-2026-117629

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.46 Traefik versions prior to 3.6.17 Traefik version 3.7.0 Description The Kubernetes Ingress provider lacks namespace validation for Ingress and Service annotations. This allows references to Middlewares,...

CVE-2026-112778: Missing Authorization

Traefik before 2.11.46, 3.x before 3.6.17, and 3.7.0 lack namespace validation for Ingress and Service annotations in the Kubernetes Ingress provider, allowing references to Middlewares, ServersTransports, and TLSOptions in other namespaces. Attackers able to create or update Ingress or Service...

Traefik Labs Traefik Authorization Issue Vulnerability

Traefik Labs’ Traefik versions prior to 2.11.46, as well as versions before 3.6.17 including 3.x and 3.7.0, have an authorization vulnerability. This vulnerability stems from missing namespace validation in Ingress and Service annotations of Kubernetes Ingress providers. It allows for the use of...

CVE-2026-92987

roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service...

CVE-2026-19283

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

CVE-2026-19283 IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

EUVD-2026-71272

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

CVE-2026-19283 IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

CVE-2026-19283

IBM Instana Agent Operator (part of IBM Observability with Instana, builds 1.0.303 through 1.0.323) is vulnerable to information disclosure caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system namespace into an attacker-contro...

CVE-2026-19283: Incorrect Authorization

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

PT-2026-85668

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

CVE-2026-54523

A flaw was found in Kyverno, a policy engine for cloud-native platforms. A user with specific permissions to create policy objects in one area namespace can exploit a vulnerability where a namespace argument is not properly checked. This allows them to force the system's admission controller, whi...

BIT-GITLAB-2026-4398 Authorization Bypass Through User-Controlled Key in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own...

CVE-2026-4398 Authorization Bypass Through User-Controlled Key in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own...

CVE-2026-54523 Kyverno: NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

CVE-2026-16456

A flaw was found in the odh-model-controller. An authenticated user with permissions to create custom resources can exploit a vulnerability in the loadSecret function. This function improperly reads the Secret namespace from user-controlled input without validation. This allows an attacker to rea...

Fission: Cross-namespace Environment reference via unvalidated EnvironmentRef in Function admission webhook

Summary The Fission Function admission webhook pkg/webhook/function.go validated that spec.secrets.namespace and spec.configmaps.namespace equalled the function's own namespace but performed no equivalent check on spec.environment.namespace. Details An attacker with permission to create Functions...