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.
This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.
Users are recommended to upgrade to version 2.57.0, which fixes the issue.
{
"cna_assigner": "apache",
"cwe_ids": [
"CWE-306"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57967.json",
"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"
}
]
}