(2026-R36) Security updates

This release includes new GKE versions that use updated Container-Optimized OS images. These updated images are cumulative, incorporating security fixes from all Container-Optimized OS versions released since the previous GKE release.

To identify the specific vulnerabilities that were resolved in each updated Container-Optimized OS image, see the Security release notes for that image. The following table includes links to the release notes for each updated Container-Optimized OS image:

GKE version · Container-Optimized OS version · Details

1.31.14-gke.2630000 · cos-117-18613-675-56 · cos-117-18613-675-56 release notes

1.34.10-gke.1328000 · cos-125-19216-532-123 · cos-125-19216-532-123 release notes

1.35.8-gke.1026000 · cos-125-19216-532-123 · cos-125-19216-532-123 release notes

1.37.0-gke.2034000+preview · cos-129-19506-299-82 · cos-129-19506-299-82 release notes