Forced upgrade, severity medium

Amazon EKS Kubernetes 1.33 reached end of standard support on 2026-07-29

Published October 31, 2026

Amazon EKS Kubernetes 1.33 no longer gets security fixes; the provider may force an upgrade or charge for extended support.

Deadline: July 29, 2026

What's affected

• aws eks kubernetes>=1.33 <1.34

What to do

1. Upgrade Amazon EKS Kubernetes to a supported version (latest 1.33.x is 1.33-eks-47; move to a newer cycle).

Check whether you were affected

Pharon tells teams automatically when this affects something they run. To check a machine, run this in Claude Code with the Pharon plugin, in the repository that uses it:

/pharon:check-incident eol-amazon-eks-1-33

References

• https://endoflife.date/amazon-eks

Notice eol-amazon-eks-1-33, signed with key feed-prod-2026-10 (Ed25519). The Pharon CLI verifies the signature before using a notice.