{"id":"CVE-2026-49434","aliases":["GHSA-h5gm-rvw6-2xpx"],"title":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have an Improper Input Validation vulnerability","summary":"Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have an Improper Input Validation vulnerability","severity":"high","cvss":7.5,"cwe":["CWE-20"],"vendor":"apache","product":"org.apache.activemq:activemq-broker","ecosystem":"maven","affected":["org.apache.activemq:activemq-broker < 5.19.8","org.apache.activemq:activemq-broker >= 6.0.0, < 6.2.7","org.apache.activemq:apache-activemq < 5.19.8","org.apache.activemq:apache-activemq >= 6.0.0, < 6.2.7","org.apache.activemq:activemq-all < 5.19.8","org.apache.activemq:activemq-all >= 6.0.0, < 6.2.7"],"patched":["org.apache.activemq:activemq-broker 5.19.8","org.apache.activemq:activemq-broker 6.2.7","org.apache.activemq:apache-activemq 5.19.8","org.apache.activemq:apache-activemq 6.2.7","org.apache.activemq:activemq-all 5.19.8","org.apache.activemq:activemq-all 6.2.7"],"published":"2026-06-30","updated":"2026-11-04","sourceUpdated":"2026-11-04T15:29:31Z","source":"GHSA","sourceUrl":"https://github.com/advisories/GHSA-h5gm-rvw6-2xpx","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49434"},{"url":"https://lists.apache.org/thread/hcjh7kdk4l85tb9ksmvcnkhso1ngj50o"},{"url":"http://www.openwall.com/lists/oss-security/2026/06/29/8"},{"url":"https://github.com/apache/activemq/pull/2077"},{"url":"https://github.com/apache/activemq/commit/0927bcb99e18c517728898be9f125589653ee899"},{"url":"https://github.com/apache/activemq/commit/ac3d06454bdf8b21db7ef419f42d17ab124a6008"},{"url":"https://github.com/apache/activemq/commit/f055bcc1dcd4a4a76b731fef43829fff515a7fbf"},{"url":"https://github.com/apache/activemq/releases/tag/activemq-5.19.8"},{"url":"https://github.com/apache/activemq/releases/tag/activemq-6.2.7"},{"url":"https://github.com/advisories/GHSA-h5gm-rvw6-2xpx"}],"tags":["ghsa","maven"],"epss":0.0063,"epssPercentile":0.5033,"ingestedAt":"2026-11-04T16:18:35.579Z","slug":"CVE-2026-49434","body":"## Overview\n\nImproper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.\n\nAn attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used to fetch an attacker URL and spawn a second BrokerService inside the same JVM.\nThis issue affects Apache ActiveMQ Broker: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7.\n\n\nUsers are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.\n\n## Affected packages\n\n- `org.apache.activemq:activemq-broker < 5.19.8`\n- `org.apache.activemq:activemq-broker >= 6.0.0, < 6.2.7`\n- `org.apache.activemq:apache-activemq < 5.19.8`\n- `org.apache.activemq:apache-activemq >= 6.0.0, < 6.2.7`\n- `org.apache.activemq:activemq-all < 5.19.8`\n- `org.apache.activemq:activemq-all >= 6.0.0, < 6.2.7`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `org.apache.activemq:activemq-broker 5.19.8`\n- `org.apache.activemq:activemq-broker 6.2.7`\n- `org.apache.activemq:apache-activemq 5.19.8`\n- `org.apache.activemq:apache-activemq 6.2.7`\n- `org.apache.activemq:activemq-all 5.19.8`\n- `org.apache.activemq:activemq-all 6.2.7`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}