{"id":"CVE-2026-57967","summary":"Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment","details":"An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session.\n\n\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\n\nUsers are recommended to upgrade to version 2.57.0, which fixes the issue.","modified":"2026-09-17T03:47:00.998416231Z","published":"2026-09-10T04:43:10.313Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"2.50.0"},{"last_affected":"2.56.0"},{"introduced":"1.0.0"},{"last_affected":"2.44.0"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"2.50.0"},{"fixed":"2.56.0"},{"introduced":"1.0.0"},{"fixed":"2.44.0"}],"source":"DESCRIPTION"}],"cna_assigner":"apache","cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57967.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/09/10/5"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57967.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/fxfjqrdsnksw5f17zs3yqo864lblgv6y"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57967"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/artemis","events":[{"introduced":"3435d5948f98694e8f9dd6d30234346d1012cfa6"},{"fixed":"437105493d75b6156ba7bb1f77bae93de2182e30"},{"introduced":"0ae68ef46e4e12ae251cdebaa047f53b7bb78aff"},{"fixed":"20cab945f0944d669a0aac383a7578e2a6fd7346"}],"database_specific":{"extracted_events":[{"introduced":"1.0.0"},{"fixed":"2.44.0"},{"introduced":"2.50.0"},{"fixed":"2.57.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*"}}],"versions":["2.56.0","2.55.0","2.54.0","2.53.0","2.51.0","2.50.0","2.43.0","2.42.0","2.41.0","2.40.0","2.39.0","2.38.0","2.37.0","2.36.0","2.35.0","2.34.0","2.33.0","2.32.0","2.31.2","2.31.1","2.31.0","2.30.0","2.29.0","2.28.0","2.27.0","2.26.0","2.25.0","2.24.0","2.23.0","2.22.0","2.21.0","2.19.0","2.20.0","2.18.0","2.17.0","2.16.0","2.15.0","2.14.0","2.13.0","2.12.0","2.11.0","2.10.1","2.10.0","2.9.0","2.8.1","2.8.0","2.7.0","2.6.0","2.5.0","2.4.0","2.3.0","2.2.0","2.1.0","2.0.0","1.5.1","1.5.0","1.4.0","1.3.0","1.2.0","1.1.0","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57967.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}