CVE-2026-86831: fallo de gravedad alta en aws-network-policy-agent
Improper validation of pod identifier uniqueness in aws-network-policy-agent in Amazon EKS
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.7epss 0.6%
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/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CVEs relacionadas — aws-network-policy-agent
En el mismo producto, de las más peligrosas a las menos.
Referencias
https://aws.amazon.com/security/security-bulletins/2026-113-aws/https://github.com/aws/amazon-vpc-cni-k8s/releases/tag/v1.22.4https://github.com/aws/amazon-vpc-cni-k8s/security/advisories/GHSA-gjc7-c7mx-x8f3https://github.com/aws/aws-network-policy-agent/releases/tag/v1.4.0https://github.com/aws/aws-network-policy-agent/security/advisories/GHSA-7xv7-8r3j-3j25