[ CVE-2026-12343 · Published 19 Oct 2026 ]
Vulnerability in IBM MQ Operator
CVSS 6.5
EPSS <1%No fix listed yet
[ Description ]Official description
IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of RFH2 message header fields in queued publish/subscribe operations.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.