go.etcd.io/etcd/server/v3 vulnerabilities

Latest go.etcd.io/etcd/server/v3 CVEs

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1. CVE-2026-73499 etcd: Watch API authorization bypass via open-ended range requests

   Published 2026-08-12

   High·CVSS 7.1 EPSS 0.66%

   etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.5.33, 3.6.14, and 3.7.1, a user granted READ permission on a single exact key can use the Watch gRPC API with clientv3.WithFromKey() to receive watch events for every key lexicographic...

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

   Published 2026-05-14

   Medium·CVSS 4.3 EPSS 0.22%

   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 authe...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.