What is CVE-2026-10751?

CVE-2026-10751 is a high-severity vulnerability in IBM Mq, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-09-18.

How severe is CVE-2026-10751?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in IBM Mq

CVE-2026-10751

IBM MQ Java and JMS client libraries could allow an authenticated attacker to execute arbitrary code on client applications due to a deserialization filter bypass in exception handling.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Mq — versions 10.0.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-10751?: CVE-2026-10751 is a high-severity vulnerability in IBM Mq, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-09-18.
How severe is CVE-2026-10751?: High severity. CVSS v3 base score is 7.5 out of 10.