{"id":"CVE-2026-74761","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74761","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…","details":"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 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.","published":"2026-09-09T12:17:13.040","modified":"2026-09-10T18:18:07.760","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/09/08/12"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T18:18:07.760"}}