High severity · published Sep 18, 2026
CVE-2026-10751
IBM MQ Java messaging is vulnerable to remote code execution
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MQ
MQ · IBM
9.1.0.0 through 9.1.0.37 LTS; 9.2.0.0 through 9.2.0.43 LTS; 9.3.0.0 through 9.3.0.41 LTS; 9.3.0.0 through 9.3.5.1 CD; 9.4.0.0 through 9.4.0.25 LTS; 9.4.0.0 through 9.4.5.1 CD; +1 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10751
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10751
www.ibm.com
https://www.ibm.com/support/pages/node/7284898
More from MQ
9.8
CVE-2026-10027
IBM MQ queue manager is vulnerable to unauthenticated remote code execution
9.8
CVE-2026-12351
IBM MQ is vulnerable to unauthenticated remote code execution via JNDI injection
9.8
CVE-2020-4682
IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization of trusted data
9.1
CVE-2022-22489
IBM MQ 8.0, (9.0, 9.1, 9.2 LTS), and (9.1 and 9.2 CD) are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data
8.8
CVE-2026-11725
IBM MQ queue manager is vulnerable to privilege escalation