Auth bypass in Etcd-io Etcd

CVE-2026-73499

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.5.33, 3.6.14, and 3.7.1, a user granted READ permission on a single exact key can use the Watch gRPC API with clientv3.WithFromKey() to receive…

Vulnerability class: Broken Access Control

Affected products

  • Etcd-io Etcd — versions < 3.5.33, >= 3.6.0, < 3.6.14, >= 3.7.0-alpha.0, < 3.7.1

Weakness classification (CWE)

References