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.
CVE-2026-56137
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-30. a secondary CVSS source baseline 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(high)
- EPSS
- 47.8%
- KEV
- Not listed
Published
June 30, 2026
Last Modified
June 30, 2026
Advisory Details (3)
Auto-updated Jun 30, 2026出所が不明なゲーム・セーブデータ・素材のお取り扱いについて - RPG Maker Official | Gotcha Gotcha GamesRPG Maker Official | Gotcha Gotcha Games
https://rpgmakerofficial.com/news/4183/Notice Regarding the Handling of Games, Save Data, and Assets from Unknown Sources - RPG Maker Official | Gotcha Gotcha GamesRPG Maker Official | Gotcha Gotcha Games
https://rpgmakerofficial.com/en/news/4188/JVN#69681784: RPG MAKER MV and MZ vulnerable to OS command injection
https://jvn.jp/en/jp/JVN69681784/Vendor Advisories for CVE-2026-56137(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 40× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 02:58 UTCEG score recompute
- 2026-07-07 02:58 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 15:22 UTCEG score recompute
- 2026-07-06 15:22 UTCGHSA enrichment
- 2026-07-06 03:44 UTCEG score recompute
- 2026-07-06 03:44 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 16:09 UTCEG score recompute
- 2026-07-05 16:09 UTCGHSA enrichment
- 2026-07-05 04:32 UTCEG score recompute
- 2026-07-05 04:32 UTCGHSA enrichment
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 16:56 UTCEG score recompute
- 2026-07-04 16:56 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 05:20 UTCEG score recompute
- 2026-07-04 05:20 UTCGHSA enrichment
- 2026-07-03 17:42 UTCEG score recompute
- 2026-07-03 17:42 UTCGHSA enrichment
- 2026-07-03 06:07 UTCEG score recompute
Show 15 moreShow fewer
- 2026-07-03 06:07 UTCGHSA enrichment
- 2026-07-02 18:30 UTCEG score recompute
- 2026-07-02 18:30 UTCGHSA enrichment
- 2026-07-02 06:55 UTCEG score recompute
- 2026-07-02 06:55 UTCGHSA enrichment
- 2026-07-01 19:20 UTCEG score recompute
- 2026-07-01 19:20 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 07:45 UTCEG score recompute
- 2026-07-01 07:45 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 20:09 UTCEG score recompute
- 2026-06-30 20:09 UTCGHSA enrichment
- 2026-06-30 08:33 UTCEG score recompute
- 2026-06-30 08:31 UTCNVD updatefirst tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-78
Frequently asked(5)
What is CVE-2026-56137?
When was CVE-2026-56137 disclosed?
Is CVE-2026-56137 actively exploited?
What is the CVSS score of CVE-2026-56137?
How do I remediate CVE-2026-56137?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56137
Is Your Infrastructure Affected by CVE-2026-56137?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.