CVE-2026-11729

IBM MQ Java messaging is vulnerable to remote code execution

State: Published
Severity: 8.5 High
Published: Sep 15, 2026
Updated: Sep 16, 2026
Reserved: Jun 9, 2026

Description

IBM MQ 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, and 10.0.0.0 could allow an authenticated attacker to execute arbitrary code in client applications due to unsafe deserialization that enables JNDI injection attacks.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	ibm

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
MQIBM	9.1.0.0 through 9.1.0.37 LTSAffected 9.2.0.0 through 9.2.0.43 LTSAffected 9.3.0.0 through 9.3.0.41 LTSAffected 9.3.0.0 through 9.3.5.1 CDAffected 9.4.0.0 through 9.4.0.25 LTSAffected 9.4.0.0 through 9.4.5.1 CDAffected 10.0.0.0Affected

References

https://www.ibm.com/support/pages/node/7284941vendor-advisorypatch

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