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Go/go.etcd.io/etcd CVE-2026-44283: unknown 0, EPSS 0.22%

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

Action: Upgrade go.etcd.io/etcd to 3.4.44 or later.

go get go.etcd.io/etcd@v3.4.44

Affected

introducedfixedlast affected
03.4.44-

Fixed versions

3.4.44

Sources

CVE-2026-44283 · published · modified · JSON