CVE-2023-32082: Etcd

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when `Keys` parameter is true, even a user doesn't have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.

Affected products

• Etcd Etcd: before 3.4.26 (fixed in 3.4.26); from 3.5.0, before 3.5.9 (fixed in 3.5.9)

Published 2023-05-11. Last modified 2026-06-17.