JNDI Injection Vulnerability in IBM MQ Products
CVE-2026-12355

8.1HIGH

Key Information:

Vendor

IBM
Status
MQ
Vendor
CVE Published:
15 September 2026

What is CVE-2026-12355?

A vulnerability in IBM MQ allows potential attackers to exploit JNDI injection due to improper input validation. This flaw can lead to unauthorized information disclosure and may enable remote code execution, posing a significant risk to data security. Users of affected IBM MQ versions should promptly apply available patches to mitigate the threat.

Affected Version(s)

MQ 9.1.0.0 <= 9.1.0.37 LTS

MQ 9.2.0.0 <= 9.2.0.43 LTS

MQ 9.3.0.0 <= 9.3.0.41 LTS

References

https://www.ibm.com/support/pages/node/7284912
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.