[ CVE-2026-12155 · 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 by sending specially crafted multicast status messages that trigger a NULL pointer dereference.

[ 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.

[ References ]References