Disclosure summary
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.
Source-reported weakness categories
CWE-306
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-57967
Open original source · Updated Oct 09, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| apache | artemis | * {"versionStartIncluding":"2.50.0","versionEndExcluding":"2.57.0"} |
Original records & references
- NIST NVD record
- CVE Program record
- lists.apache.org — Mailing List, Vendor Advisory
- github.com
PUBLISHED 2026-09-10T01:17:01-04:00
MODIFIED 2026-10-09T12:17:28-04:00
INGESTED 2026-10-10T20:50:44-04:00