CVE-2026-56137 Command injection in RPG MAKER MV
Attackers can execute arbitrary OS commands by tricking users into loading a specially crafted save file in RPG MAKER MV or MZ.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-56137?
CVE-2026-56137 is a high-severity command injection vulnerability in Gotcha Gotcha Games Inc. RPG MAKER MV, published on 30 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
RPG MAKER MV and MZ provided by Gotcha Gotcha Games Inc. contain an OS command injection vulnerability. If a user loads a specially crafted save-file, arbitrary OS command may be executed.
Weakness: CWE-78
Which versions are affected by CVE-2026-56137?
How do I fix CVE-2026-56137?
No fix has been published for CVE-2026-56137 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-56137 being exploited?
There is no known exploitation of CVE-2026-56137 in the wild and no public exploit code.
Sources
Also known as GHSA-f7jr-jmf8-58m2.