CVE-2026-56137 | RPG MAKER MV and MZ provided by Gotcha Gotcha Games Inc. con… | CVSS 8.4 HIGH

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.

Metadata

CVE ID: CVE-2026-56137
State: PUBLISHED
Assigner: jpcert
Reserved: 2026-06-19 05:52 UTC
Published: 2026-06-30 06:02 UTC
Last updated: 2026-06-30 06:02 UTC
Primary CWE: CWE-78
Improper neutralization of special elements used in an OS co…
Vendor / Product: Gotcha Gotcha Games Inc. / RPG MAKER MV
Sources: cve.org · NVD

Severity & Metrics

8.4 HIGH CVSS 4.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products (2)

Vendor	Product	Platform	Versions
Gotcha Gotcha Games Inc.	RPG MAKER MV	—	1.6.3 and earlier
Gotcha Gotcha Games Inc.	RPG MAKER MZ	—	1.10.0 and earlier

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	Improper neutralization of special elements used in an OS command ('OS Command Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.4	HIGH	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8	HIGH	3.0	cna	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References (3)