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CVE-2026-122266

Improper isolation of shared resources in aws-network-policy-agent in Amazon EKS

Improper isolation of shared resources in aws-network-policy-agent in Amazon EKS Network Policy Agent before 1.3.7 (VPC CNI before 1.22.3) might allow an authenticated adjacent user to bypass NetworkPolicy ingress enforcement on co-located pods via eBPF conntrack map poisoning using crafted AF_PACKET frames. To remediate this issue, users should upgrade to Amazon VPC CNI Managed Add-on v1.22.3 or later (which includes Network Policy Agent v1.3.7).

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Amazon-vpc-cni-k8s Aws-network-policy-agent
CVE-2026-86831

Improper validation of pod identifier uniqueness in aws-network-policy-agent in Amazon EKS

Improper validation of pod identifier uniqueness in aws-network-policy-agent in Amazon EKS Network Policy Agent before v1.4.0 might allow an authenticated remote user to bypass NetworkPolicy enforcement on co-located pods in other namespaces via crafted pod and namespace names that produce pod identifier collisions. To remediate this issue, users should upgrade to Amazon EKS Network Policy Agent 1.4.0 or later and Amazon VPC CNI Managed Add-on v1.22.4 or later (which includes Network Policy Agent v1.4.0).

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Amazon-vpc-cni-k8s Aws-network-policy-agent