{"id":"CVE-2026-75880","title":"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\n…","summary":"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\n…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-1333"],"vendor":"apache","product":"artemis","affected":["artemis >= 1.0.0, < 2.44.0","artemis >= 2.50.0, < 2.57.0"],"patched":["artemis 2.57.0"],"published":"2026-09-10","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:17:11.787","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75880","references":[{"url":"https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/10/7","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T17:31:34.370541Z"},"epss":0.00413,"epssPercentile":0.35158,"ingestedAt":"2026-09-14T00:15:50.932Z","slug":"CVE-2026-75880","body":"## Overview\n\nAn 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.\n\n## Affected\n\n- `artemis >= 1.0.0, < 2.44.0`\n- `artemis >= 2.50.0, < 2.57.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `artemis 2.57.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":52162,"id":"CVE-2026-75880","ts":1789063373823,"field":"cvss","old":null,"new":"6.5"},{"seq":52161,"id":"CVE-2026-75880","ts":1789063373823,"field":"severity","old":"none","new":"medium"}]}