{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49364","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-05-29T16:34:41.640Z","datePublished":"2026-09-10T04:49:27.014Z","dateUpdated":"2026-09-10T15:54:25.139Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-09-10T04:49:27.014Z"},"title":"Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers","problemTypes":[{"descriptions":[{"description":"CWE-306 Missing authentication for critical function","lang":"en","cweId":"CWE-306","type":"CWE"}]}],"source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache Artemis","collectionURL":"https://repo.maven.apache.org/maven2","packageName":"org.apache.artemis:artemis-core-client","packageURL":"pkg:maven/org.apache.artemis/artemis-core-client","versions":[{"status":"affected","version":"2.50.0","lessThanOrEqual":"2.56.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Apache Software Foundation","product":"Apache Artemis","collectionURL":"https://repo.maven.apache.org/maven2","packageName":"org.apache.artemis:artemis-server","packageURL":"pkg:maven/org.apache.artemis/artemis-server","versions":[{"status":"affected","version":"2.50.0","lessThanOrEqual":"2.56.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ Artemis","collectionURL":"https://repo.maven.apache.org/maven2","packageName":"org.apache.activemq:artemis-core-client","packageURL":"pkg:maven/org.apache.activemq/artemis-core-client","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"2.44.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ Artemis","collectionURL":"https://repo.maven.apache.org/maven2","packageName":"org.apache.activemq:artemis-server","packageURL":"pkg:maven/org.apache.activemq/artemis-server","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"2.44.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.\n\nThis issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.\n\n\n\nUsers are recommended to upgrade to version 2.57.0, which fixes the issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.<br><span><br>This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.</span></p><p>Users are recommended to upgrade to version 2.57.0, which fixes the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"important"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"credits":[{"lang":"en","value":"Domenico Francesco Bruscino","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/10/3"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-09-10T05:11:25.133Z"}},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T15:54:10.664215Z","id":"CVE-2026-49364","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-10T15:54:25.139Z"}}]}}