CVE-2026-12148

high

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.

References

https://www.ibm.com/support/pages/node/7292667

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104470

Details

Source: Mitre, NVD

Published: 2026-10-19

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00288