עברית

Vulnerability Intelligence

CVE-2026-12665

Critical 9.8

Published
Last modified
NVD status
Analyzed

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.

Affected products

ibm: mq operator; ibm: supplied mq advanced container images

References1

Metrics

CVSS 3.1
9.8 CRITICAL Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 25 · as of 10 November 2026
CWE
CWE-121

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.