CVE-2026-12148

HighCVSS 8.8/10Last modified Oct 23, 2026

Description

IBM MQ Operator could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to unrestricted Java deserialization in the MQ Classes for Java.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

No affected versions have been published.

Timeline

Published: Oct 19, 2026
Last modified: Oct 23, 2026
NVD status: Analyzed

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