CVE-2026-63921 ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate().

In the Linux kernel, the following vulnerability has been resolved: ip6: vti: Use ip6tnl.net in vti6siocdevprivate. After patch 1/2 in this series, vti6update unlinks and relinks the tunnel through t-net. vti6siocdevprivate still uses devnetdev for the collision lookup. For a tunnel moved through...

GHSA-FCRP-7GC2-93G7 Envoy Gateway custom backendRef cross-namespace ReferenceGrant bypass

Impact Envoy Gateway accepts extension-managed custom backendRefs from an HTTPRoute to a backend resource in another namespace without requiring a matching Gateway API ReferenceGrant in the target namespace. This breaks the Gateway API cross-namespace consent model: the namespace that owns the...

Envoy Gateway custom backendRef cross-namespace ReferenceGrant bypass

Impact Envoy Gateway accepts extension-managed custom backendRefs from an HTTPRoute to a backend resource in another namespace without requiring a matching Gateway API ReferenceGrant in the target namespace. This breaks the Gateway API cross-namespace consent model: the namespace that owns the...

PT-2026-60690

Impact Envoy Gateway accepts extension-managed custom backendRefs from an HTTPRoute to a backend resource in another namespace without requiring a matching Gateway API ReferenceGrant in the target namespace. This breaks the Gateway API cross-namespace consent model: the namespace that owns the...

CVE-2026-56742

Cilium Gateway API vulnerability (CVE-2026-56742): Prior to versions 1.17.17, 1.18.11, and 1.19.5, clusters using Gateway API allowed users with write permissions on namespaced HTTPRoutes to mirror traffic to any Service in any namespace, bypassing ReferenceGrant checks. Impacted when Gateway API...

CVE-2026-15738

The CVE-2026-15738 issue affects the AWS Load Balancer Controller prior to version 3.4.2, where incorrect behavior order in Gateway API listener-rule generation can let an authenticated remote user intercept, spoof, or deny another namespace’s gRPC traffic on a shared Gateway via a crafted HTTPRo...

CVE-2026-15738 Cross-namespace traffic interception via incorrect route precedence ordering in AWS Load Balancer Controller

Incorrect behavior order in the Gateway API listener-rule generation in Amazon AWS Load Balancer Controller before 3.4.2 might allow an authenticated remote user to intercept, spoof, or deny another namespace's gRPC traffic on a shared Gateway via a crafted HTTPRoute resource. To mitigate this...

CVE-2026-15738 Cross-namespace traffic interception via incorrect route precedence ordering in AWS Load Balancer Controller

Incorrect behavior order in the Gateway API listener-rule generation in Amazon AWS Load Balancer Controller before 3.4.2 might allow an authenticated remote user to intercept, spoof, or deny another namespace's gRPC traffic on a shared Gateway via a crafted HTTPRoute resource. To mitigate this...

Linux Distros Unpatched Vulnerability : CVE-2026-14896

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator...

Security Bulletin: Nomad vulnerable to cross-namespace host volume claim deletion

Summary HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace...

CVE-2026-14896

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. This...

UBUNTU-CVE-2026-14896

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. This...

CVE-2026-14896 Nomad vulnerable to cross-namespace host volume claim deletion

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. This...

EUVD-2026-42392

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. This...

CVE-2026-14896

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature, potentially allowing an operator with host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. Root cau...

Nomad vulnerable to cross-namespace host volume claim deletion

Summary HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace...

CVE-2026-53935 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935

Summary: CVE-2026-53935 affects Cilium versions prior to 1.17.16, 1.18.2–1.18.9, and 1.19.0–1.19.3. An attacker who can create a CiliumLocalRedirectPolicy may specify arbitrary ClusterIPs via addressMatcher, enabling cross-namespace traffic hijacking to Services and bypassing serviceMatcher names...