CVE-2026-12351 IBM MQ is vulnerable to unauthenticated remote code execution via JNDI injection
Remote attackers can execute arbitrary code via JNDI injection in IBM MQ when the IVT application is deployed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12351?
CVE-2026-12351 is a critical code injection vulnerability in IBM MQ, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-74
Which versions are affected by CVE-2026-12351?
How do I fix CVE-2026-12351?
No fix has been published for CVE-2026-12351 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-12351 being exploited?
There is no known exploitation of CVE-2026-12351 in the wild and no public exploit code.
Sources
Also known as GHSA-3fh8-3j4j-grr6.