{"id":"CVE-2026-74761","title":"Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms.\n\n\n\n\nAn authenticated client can spoof clientId when removing a durable topic subscription.\n\n\n\nThis issue affec…","summary":"Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms.\n\n\n\n\nAn authenticated client can spoof clientId when removing a durable topic subscription.\n\n\n\nThis issue affec…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-20"],"vendor":"apache","product":"activemq","affected":["activemq < 5.19.11","activemq >= 6.0.0, < 6.3.2","activemq_all < 5.19.11","activemq_all >= 6.0.0, < 6.3.2","activemq_broker < 5.19.11","activemq_broker >= 6.2.0, < 6.3.2"],"patched":["activemq 6.3.2","activemq_all 6.3.2","activemq_broker 6.3.2"],"published":"2026-09-09","updated":"2026-09-18","sourceUpdated":"2026-09-18T14:37:42.543","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74761","references":[{"url":"https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/08/12","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00639,"epssPercentile":0.48874,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-10T18:00:47.594630Z"},"ingestedAt":"2026-09-11T14:42:19.864Z","slug":"CVE-2026-74761","body":"## Overview\n\nImproper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms.\n\n\n\n\nAn authenticated client can spoof clientId when removing a durable topic subscription.\n\n\n\nThis issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ All: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ: before 5.19.11, from 6.0.0 before 6.3.2.\n\n\n\nUsers are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue.\n\n## Affected\n\n- `activemq < 5.19.11`\n- `activemq >= 6.0.0, < 6.3.2`\n- `activemq_all < 5.19.11`\n- `activemq_all >= 6.0.0, < 6.3.2`\n- `activemq_broker < 5.19.11`\n- `activemq_broker >= 6.2.0, < 6.3.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `activemq 6.3.2`\n- `activemq_all 6.3.2`\n- `activemq_broker 6.3.2`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}