[ CVE-2026-12665 · Published 19 Oct 2026 ]
Vulnerability in IBM MQ Operator
CVSS 8.1
EPSS <1%No fix listed yet
[ Description ]Official description
IBM MQ could allow a remote attacker to execute arbitrary code due to a stack buffer overflow when processing TLS certificates with malformed distinguished names during channel connection establishment.
[ 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.