(2026-R35) 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.2613000 · cos-117-18613-675-48 · cos-117-18613-675-48 release notes

1.32.13-gke.2314000 · cos-121-18867-528-43 · cos-121-18867-528-43 release notes

1.33.13-gke.1499000 · cos-121-18867-528-43 · cos-121-18867-528-43 release notes

1.34.10-gke.1236000 · cos-125-19216-532-62 · cos-125-19216-532-62 release notes