{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44283","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-05T17:39:31.112Z","datePublished":"2026-05-14T17:01:33.598Z","dateUpdated":"2026-05-16T00:40:51.007Z"},"containers":{"cna":{"title":"etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks","problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":0,"baseSeverity":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5"}],"affected":[{"vendor":"etcd-io","product":"etcd","versions":[{"version":"< 3.4.44","status":"affected"},{"version":">= 3.5.0, <= 3.5.29","status":"affected"},{"version":">= 3.6.0, <= 3.6.10","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-14T17:01:33.598Z"},"descriptions":[{"lang":"en","value":"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 without sufficient read or lease-related permissions may be able to access unauthorized data or attach leases by invoking transaction operations with these features enabled. This vulnerability is fixed in 3.4.44, 3.5.30, and 3.6.11."}],"source":{"advisory":"GHSA-x35m-3gp4-4fh5","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-16T00:40:39.014184Z","id":"CVE-2026-44283","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-16T00:40:51.007Z"}}]}}