CVE-2023-32082

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.

• CWE-200

• https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.4.mdRelease Notes
• https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.5.mdRelease Notes
• https://github.com/etcd-io/etcd/pull/15656Issue Tracking, Patch
• https://github.com/etcd-io/etcd/security/advisories/GHSA-3p4g-rcw5-8298Vendor Advisory
• https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.4.mdRelease Notes
• https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.5.mdRelease Notes
• https://github.com/etcd-io/etcd/pull/15656Issue Tracking, Patch
• https://github.com/etcd-io/etcd/security/advisories/GHSA-3p4g-rcw5-8298Vendor Advisory

Published

May 11, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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