Critical · 9.8 CVE-2026-12351 EUVD-2026-78881GHSA-3fh8-3j4j-grr6

IBM MQ is vulnerable to unauthenticated remote code execution via JNDI injection

Published Sep 15, 2026 · Updated Sep 16, 2026 · Assigned by ibm

Description

IBM MQ 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 LTS, and 10.0.0.0 could allow a remote attacker to execute arbitrary code due to unsafe JNDI lookup processing when the IVT application is deployed.

Affected products

Vendor	Product	Affected	Fixed
IBM	MQ	9.3.0.0 – ≤ 9.3.0.41 LTS, 9.3.0.0 – ≤ 9.3.5.1 CD, 9.4.0.0 – ≤ 9.4.0.25 LTS, 9.4.0.0 – ≤ 9.4.5.1 LTS, 10.0.0.0	—

Advisories 1

WID-SEC-2026-3409 IBM MQ: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 22, 2026

References

https://www.ibm.com/support/pages/node/7284541 vendor-advisory patch