GO-2026-5736 Etcd RBAC bypass via PrevKv/lease in nested transactions in go.etcd.io/etcd/v3 in go.etcd.io/etcd/server

Etcd RBAC bypass via PrevKv/lease in nested transactions in go.etcd.io/etcd/v3 in go.etcd.io/etcd/server...

etcd: etcd: Authenticated user can bypass RBAC for unauthorized data access

A flaw was found in etcd, a distributed key-value store. An authenticated user, without sufficient read or lease-related permissions, could bypass Role-Based Access Control RBAC authorization checks. This bypass occurs during transaction operations involving PrevKv or lease attachment in Put...

CVE-2026-44283

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user...

AZL-86898 CVE-2026-44283 affecting package etcd for versions less than 3.5.30-2

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user...

CVE-2026-44283

CVE-2026-44283 affects etcd, a distributed key-value store. The issue: in nested transaction operations, read access via PrevKv or lease attachment in Put requests can bypass RBAC authorization checks. This could allow an authenticated user with limited read or lease permissions to access data th...

CVE-2026-44283 etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user...

CVE-2026-44283 etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user...

etcd RBAC bypass allows unauthorized data access via PrevKv/lease attachment in nested transaction Put requests

Impact What kind of vulnerability is it? Who is impacted? A vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user without sufficient read or lease-related permissions may b...

GHSA-X35M-3GP4-4FH5 etcd RBAC bypass allows unauthorized data access via PrevKv/lease attachment in nested transaction Put requests

Impact What kind of vulnerability is it? Who is impacted? A vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user without sufficient read or lease-related permissions may b...

PT-2026-38402

Name of the Vulnerable Software and Affected Versions etcd versions prior to 3.4.44 etcd versions prior to 3.5.30 etcd versions prior to 3.6.11 Description etcd is a distributed key-value store for distributed system data. A flaw allows authenticated users without sufficient read or lease-related...