Google Cloud Update Version cos-121-18867-381-161; cos-117-18613-613-40; Looker 26.10; (2026

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Update Summary

June 04, 2026 Google Cloud release notes include GKE version updates, Container-Optimized OS security fixes, and new features across Cloud Trace, Document AI, Looker, and more. Notable items include GKE Gateway frontend mTLS and multiple Linux kernel CVE fixes in COS.

Update Details

Security

  • Anthos Config Management: addressed multiple CVEs by updating dependencies.
  • Container-Optimized OS: fixed CVE-2026-43303, CVE-2026-43499, CVE-2026-43503, CVE-2026-45838, CVE-2026-45839, CVE-2026-45841, CVE-2026-45842, CVE-2026-45843, CVE-2026-45844, CVE-2026-45987, CVE-2026-45991, CVE-2026-45997, CVE-2026-46005, CVE-2026-46015, CVE-2026-46021, CVE-2026-46033, CVE-2026-46037, CVE-2026-46040, CVE-2026-46046, CVE-2026-46050, CVE-2026-46051, CVE-2026-46065, CVE-2026-46070, CVE-2026-46082, CVE-2026-46086, CVE-2026-46089, CVE-2026-46094, CVE-2026-46101, CVE-2026-46102, CVE-2026-46106, CVE-2026-46107, CVE-2026-46115, CVE-2026-46116, CVE-2026-46120, CVE-2026-46124, CVE-2026-46131, CVE-2026-46132, CVE-2026-46149, CVE-2026-46150, CVE-2026-46155, CVE-2026-46161, CVE-2026-46172, CVE-2026-46173, CVE-2026-46174, CVE-2026-46176, CVE-2026-46185, CVE-2026-46195, CVE-2026-46196, CVE-2026-46209, CVE-2026-46214, CVE-2026-46234, and CVE-2026-46300 in the Linux kernel.
  • GKE: updated Container-Optimized OS images include cumulative security fixes from prior COS releases.

Bug Fixes

  • Looker 26.10: fixed numerous UI, dashboard, filter, SQL Runner, scheduling, and validation issues.
  • reCAPTCHA Mobile SDK v18.9.1 for iOS fixes symbol collisions with libraries using Objective-C protos.

New Features

  • Cloud Trace: span Details view now shows instrumentation scope or schema in the Metadata & Links tab.
  • Document AI: Custom extractor preview adds document validation and correction using CEL-based rules.
  • GKE Gateway now supports frontend mTLS (client certificate validation) for supported GatewayClasses.
  • Knowledge Catalog: lookupContext returns pre-formatted data asset context for agentic workflows.
  • Looker: period-over-period measures are now supported on Trino connections.
  • Memorystore for Valkey: new node-level Cloud Monitoring metrics are available in Preview.

Hints

  • Container-Optimized OS release cos-121-18867-381-161 updates kernel to COS-6.6.137, Docker to v27.5.1, containerd to v2.0.8, and minijail to r188.
  • Container-Optimized OS release cos-117-18613-613-40 updates kernel to COS-6.6.137, Docker to v24.0.9, containerd to v1.7.31, and minijail to r188.
  • GKE release notes include channel-specific version changes, default versions, deprecations, and auto-upgrade targets across Rapid, Regular, Stable, Extended, and No channel.
  • Looker 26.10 expected deployment start is 2026-06-07 and final deployment/download availability is 2026-06-21.
Product Information

Vendor: Google

Product: Cloud

Version: cos-121-18867-381-161; cos-117-18613-613-40; Looker 26.10; (2026

Release date: Jun 4, 2026

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