Blog
Final Update for v3.4, plus 3.5.31, 3.6.12 Released
Monday, June 01, 2026 in Blog
SIG-etcd has released the final patch update for v3.4 together with security updates for v3.5 and v3.6. Uses on v3.4 should begin the upgrade process as soon as possible. Users on v3.5 and v3.6 should update at the next scheduled maintenance window. …
etcd v3.7.0-rc.0 Now Available for Testing
Monday, June 01, 2026 in Blog
SIG-Etcd announces the availability of etcd v3.7.0-rc.0, the first release candidate for the upcoming etcd v3.7.0 release. This release candidate includes the long-requested RangeStream feature, removal of remaining legacy v2store components, …
Announcing etcd v3.7.0-beta.0
Tuesday, May 19, 2026 in Blog
SIG-Etcd announces the availability of the first beta release of etcd v3.7.0. This new version of the popular distributed database and key Kubernetes component includes the long-requested RangeStream feature, as well as a refactoring and cleanup of …
May 1 Security Release Patches RBAC Bypass in Transactions
Monday, May 04, 2026 in Blog
SIG-etcd released updates v3.6.11, v3.5.30, and v3.4.44 today. These patch releases fix a vulnerability that allows an authenticated user to bypass RBAC authorization checks when reading data via PrevKv or attaching leases inside Put requests nested …
March 20 Security Release Patches Auth Vulnerabilities
Friday, March 20, 2026 in Blog
SIG-etcd released updates 3.6.9, 3.5.28, and 3.4.42 today. These patch releases fix several vulnerabilities which allow unauthorized users to bypass authentication or authorization controls that are part of etcd Auth using the gRPC API. These …
Announcing etcd-operator v0.2.0
Friday, March 20, 2026 in Blog
Introduction Today, we are excited to announce the release of etcd-operator v0.2.0! This release brings important new features and improvements that enhance security, reliability, and operability for managing etcd clusters. New Features Certificate …
Avoiding Zombie Cluster Members When Upgrading to etcd v3.6
Wednesday, December 17, 2025 in Blog
Summary: SIG-etcd has patched another potential issue blocking upgrades from v3.5 to v3.6. If you are upgrading, make sure to update to v3.5.26 or later first. Issue Summary Recently, the etcd community addressed an issue that may appear when users …
Follow Up - Preventing Upgrade Failures from etcd v3.5 to v3.6
Tuesday, October 21, 2025 in Blog
We have identified and fixed an additional scenario that may cause upgrade failures when moving from etcd v3.5 to v3.6. This post contains details, the fix, and additional workarounds. Please refer to issue 20793 to get detailed technical …
Autonomous Testing of etcd's Robustness
Friday, October 03, 2025 in Blog
This is a post from the CNCF blog which we are sharing with our community as well. As a critical component of many production systems, including Kubernetes, the etcd project’s first priority is reliability. Ensuring consistency and data safety …
Announcing etcd v3.6.0
Thursday, May 15, 2025 in Blog
Table of Contents Introduction Security Features Migration to v3store Downgrade Feature Gates Livez/readyz checks v3discovery Performance Memory Throughput Breaking changes Old Binaries Are Incompatible with New Schema Versions Peer Endpoints No …