CVE-2026-56137 PUBLISHED

Assigner: jpcert
Reserved: 19.06.2026 Published: 30.06.2026 Updated: 30.06.2026

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.

CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.0

CVSS Vector: 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
CVSS Score: 8.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Gotcha Gotcha Games Inc.
Product	RPG MAKER MV
Versions	Version 1.6.3 and earlier is affected

Vendor	Gotcha Gotcha Games Inc.
Product	RPG MAKER MZ
Versions	Version 1.10.0 and earlier is affected

CVE-2026-56137 PUBLISHED

Metrics

Product Status

References

Problem Types