etcd: Nested etcd transactions bypass RBAC authorization checks
etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, an authenticated user with RBAC restricted permissions on key ranges can use nested transactions to bypass all key-level authorization. This allows any authenticated user with direct access to etcd t…
Severity none: primary CNA CVSS 0 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-03-26T13:23:48.247Z. Updated 2026-03-26T18:25:09.851Z.