RPG MAKER MV and MZ vulnerable to OS command injection

unknownCVE-2026-56137

RPG MAKER MV and MZ provided by Gotcha Gotcha Games Inc. contain an OS command injection vulnerability.

CSIRTS triage

vendor: Gotcha Gotcha Games Inc.product: RPG MAKER MV and MZ Code injection

What: The products contain an OS command injection vulnerability.
Who is affected: Users of RPG MAKER MV and MZ.
Urgency: Remediation is urgent due to the potential for exploitation.
Action: Update to the latest version of RPG MAKER MV and MZ.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: JVN (Japan Vulnerability Notes) (JP · national-cert · site)
Severity: unknown
Published: 2026-06-30
Exploitation: Not in CISA KEV at last sync

Original advisory: https://jvn.jp/en/jp/JVN69681784/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-561370.68% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56137	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-56137: RPG MAKER MV and MZ provided by Gotcha Gotcha Games Inc. contain an OS command injection vulne…nvd

Recent advisories for RPG MAKER MV

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-56137: RPG MAKER MV and MZ provided by Gotcha Gotcha Games Inc. contain an OS command injection vulne…nvd · 2026-06-30