CVE-2026-10751 IBM MQ Java and JMS - Remote Code Execution

IBM MQ Java and JMS client libraries contain an insecure deserialization caused by a deserialization filter bypass in exception handling, letting authenticated attackers execute arbitrary code on client applications.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.37% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version of IBM MQ Java and JMS client libraries.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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