CVE-2026-33343: Incorrect Authorization

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...

etcd 安全漏洞

Etcd is an open-source system developed in Go language, used as a key-value storage system for distributed systems. There are security vulnerabilities in versions prior to 3.4.42, 3.5.28, and 3.6.9 of etcd. These vulnerabilities stem from nested transactions that can bypass key range authorizatio...

GHSA-RFX7-8W68-Q57Q etcd: Nested etcd transactions bypass RBAC authorization checks

Impact What kind of vulnerability is it? Who is impacted? 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 to effectively ignore all key range...

etcd: Nested etcd transactions bypass RBAC authorization checks

Impact What kind of vulnerability is it? Who is impacted? 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 to effectively ignore all key range...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the CheckTxnAuth function. A user with RBAC restricted permissions on key ranges can gain unauthorized access to the entire data store by bypassing key-level authorization checks using nested transactions...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the CheckTxnAuth function. A user with RBAC restricted permissions on key ranges can gain unauthorized access to the entire data store by bypassing key-level authorization checks using nested transactions...

PT-2026-26755

Name of the Vulnerable Software and Affected Versions etcd versions prior to 3.4.42 etcd versions prior to 3.5.28 etcd versions prior to 3.6.9 Description An authenticated user with Role-Based Access Control RBAC restricted permissions on key ranges can bypass key-level authorization using nested...