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Vulnerability · Published Sep 15, 2026 · Assigned by ibm

CVE-2026-12354IBM MQ Resource Adapter IVT message-driven bean is vulnerable to remote code execution via JNDI injection

High 7.5

In plain English

A high-severity security flaw in MQ from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 on the application server due to improper validation of JNDI names in the Resource Adapter Installation Verification Test application.

Affected products (as reported)

VendorProductVersions
IBM MQ 9.1.0.0 – through 9.1.0.37 LTS9.2.0.0 – through 9.2.0.43 LTS9.3.0.0 – through 9.3.0.41 LTS9.3.0.0 – through 9.3.5.1 CD9.4.0.0 – through 9.4.0.25 LTS9.4.0.0 – through 9.4.5.1 CD10.0.0.0

Weakness: CWE-913 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References