Is there a public exploit for CVE-2026-122266?

No public exploit for CVE-2026-122266 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-122266?

CVE-2026-122266 scores CVSS 6.3 (v4.0), rated medium.

What does CVE-2026-122266 affect?

CVE-2026-122266 affects aws amazon-vpc-cni-k8s, aws-network-policy-agent.

6.3 Medium

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)…

CVE-2026-122266

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 AFPACKET 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).

Assessment

CVSS: 6.3 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 4 November 2026
Last updated: 4 November 2026
Affected: aws · amazon-vpc-cni-k8s · aws-network-policy-agent
Assigner: AMZN

CVSS vectorCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

At the source

EUVD (ENISA)

References

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