{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75880","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-08-18T12:59:58.950Z","datePublished":"2026-09-10T04:36:08.059Z","dateUpdated":"2026-09-18T14:37:28.641Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-09-18T14:37:28.641Z"},"title":"Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service","problemTypes":[{"descriptions":[{"description":"CWE-1333 Inefficient regular expression complexity","lang":"en","cweId":"CWE-1333","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-selector","packageURL":"pkg:maven/org.apache.artemis/artemis-selector","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-selector","packageURL":"pkg:maven/org.apache.activemq/artemis-selector","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"2.44.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service.\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\nUsers are recommended to upgrade to version 2.57.0, which fixes this issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service.</p><div>This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.</div><div><br>Users are recommended to upgrade to version 2.57.0, which fixes this issue.</div>"}]}],"references":[{"url":"https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"credits":[{"lang":"en","value":"Mike Read","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/10/7"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-09-10T05:12:01.308Z"}},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T17:31:34.370541Z","id":"CVE-2026-75880","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-09-10T17:31:49.572Z"}}]}}