CVE-2026-12665
HIGH
CVSS 8.1
Published: 2026-10-19
Modified: 2026-10-20
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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.
Quick Facts
| CVE ID | CVE-2026-12665 |
| CVSS Score | 8.1 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-19 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |