CVE-2026-12148: high-severity vulnerability in IBM MQ Operator
IBM MQ Deserialization of Untrusted Data
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.4%
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Related CVEs — IBM MQ Operator
In the same product, most dangerous first.
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