CVE-2026-56137

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

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.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
63%
KEV
Not listed

Published

June 30, 2026

Last Modified

June 30, 2026

Advisory Details (3)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

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/
generic

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/
generic

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 7× in last 7d / 67× 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.

Showing the most recent 100 of 210 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 14:38 UTCEG score recompute
  6. 2026-09-06 14:38 UTCGHSA enrichment
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-04 05:07 UTCEPSS rescore
  9. 2026-09-02 14:12 UTCEPSS rescore
  10. 2026-09-01 13:54 UTCEPSS rescore
  11. 2026-09-01 04:40 UTCEPSS rescore
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 18:17 UTCEG score recompute
  14. 2026-08-30 18:17 UTCGHSA enrichment
  15. 2026-08-30 01:22 UTCEPSS rescore
  16. 2026-08-28 21:41 UTCEPSS rescore
  17. 2026-08-27 22:44 UTCEG score recompute
  18. 2026-08-27 22:44 UTCGHSA enrichment
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 00:15 UTCEG score recompute
  23. 2026-08-25 00:15 UTCGHSA enrichment
  24. 2026-08-24 12:39 UTCEG score recompute
  25. 2026-08-24 12:39 UTCGHSA enrichment
Show 75 more
  1. 2026-08-23 20:03 UTCGHSA enrichment
  2. 2026-08-23 08:27 UTCEG score recompute
  3. 2026-08-23 08:27 UTCGHSA enrichment
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-22 20:42 UTCGHSA enrichment
  6. 2026-08-22 08:35 UTCEG score recompute
  7. 2026-08-22 08:35 UTCGHSA enrichment
  8. 2026-08-21 23:49 UTCEPSS rescore
  9. 2026-08-21 17:20 UTCGHSA enrichment
  10. 2026-08-21 04:51 UTCEG score recompute
  11. 2026-08-21 04:51 UTCGHSA enrichment
  12. 2026-08-20 22:55 UTCEPSS rescore
  13. 2026-08-20 17:15 UTCGHSA enrichment
  14. 2026-08-20 05:39 UTCEG score recompute
  15. 2026-08-20 05:39 UTCGHSA enrichment
  16. 2026-08-19 17:04 UTCEPSS rescore
  17. 2026-08-19 10:56 UTCGHSA enrichment
  18. 2026-08-18 23:07 UTCEG score recompute
  19. 2026-08-18 23:07 UTCGHSA enrichment
  20. 2026-08-18 13:48 UTCEPSS rescore
  21. 2026-08-18 06:26 UTCEG score recompute
  22. 2026-08-18 06:26 UTCGHSA enrichment
  23. 2026-08-17 13:47 UTCEPSS rescore
  24. 2026-08-17 07:32 UTCGHSA enrichment
  25. 2026-08-16 19:57 UTCEG score recompute
  26. 2026-08-16 19:57 UTCGHSA enrichment
  27. 2026-08-16 14:56 UTCEPSS rescore
  28. 2026-08-16 07:49 UTCEG score recompute
  29. 2026-08-16 07:49 UTCGHSA enrichment
  30. 2026-08-16 02:14 UTCEPSS rescore
  31. 2026-08-15 20:14 UTCGHSA enrichment
  32. 2026-08-15 08:31 UTCEG score recompute
  33. 2026-08-15 08:31 UTCGHSA enrichment
  34. 2026-08-15 01:30 UTCEPSS rescore
  35. 2026-08-14 20:55 UTCGHSA enrichment
  36. 2026-08-14 09:20 UTCEG score recompute
  37. 2026-08-14 09:20 UTCGHSA enrichment
  38. 2026-08-13 22:00 UTCEPSS rescore
  39. 2026-08-13 21:44 UTCGHSA enrichment
  40. 2026-08-13 10:09 UTCGHSA enrichment
  41. 2026-08-12 22:34 UTCEG score recompute
  42. 2026-08-12 22:34 UTCGHSA enrichment
  43. 2026-08-12 13:51 UTCEPSS rescore
  44. 2026-08-12 10:59 UTCGHSA enrichment
  45. 2026-08-11 23:23 UTCEG score recompute
  46. 2026-08-11 23:23 UTCGHSA enrichment
  47. 2026-08-11 11:48 UTCGHSA enrichment
  48. 2026-08-11 00:12 UTCEG score recompute
  49. 2026-08-11 00:12 UTCGHSA enrichment
  50. 2026-08-11 00:00 UTCEPSS rescore
  51. 2026-08-10 12:37 UTCGHSA enrichment
  52. 2026-08-10 01:02 UTCEG score recompute
  53. 2026-08-10 01:02 UTCGHSA enrichment
  54. 2026-08-09 13:46 UTCEPSS rescore
  55. 2026-08-09 13:26 UTCGHSA enrichment
  56. 2026-08-09 01:51 UTCEG score recompute
  57. 2026-08-09 01:51 UTCGHSA enrichment
  58. 2026-08-08 16:37 UTCEPSS rescore
  59. 2026-08-08 14:16 UTCGHSA enrichment
  60. 2026-08-08 02:40 UTCEG score recompute
  61. 2026-08-08 02:40 UTCGHSA enrichment
  62. 2026-08-07 15:04 UTCGHSA enrichment
  63. 2026-08-07 03:28 UTCGHSA enrichment
  64. 2026-08-06 15:53 UTCEG score recompute
  65. 2026-08-06 15:53 UTCGHSA enrichment
  66. 2026-08-06 13:47 UTCEPSS rescore
  67. 2026-08-06 04:17 UTCEG score recompute
  68. 2026-08-06 04:17 UTCGHSA enrichment
  69. 2026-08-05 19:17 UTCEPSS rescore
  70. 2026-08-05 16:41 UTCGHSA enrichment
  71. 2026-08-05 02:29 UTCEG score recompute
  72. 2026-08-05 02:29 UTCGHSA enrichment
  73. 2026-08-04 15:10 UTCEPSS rescore
  74. 2026-08-04 14:44 UTCEG score recompute
  75. 2026-08-04 14:44 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-56137?
CVE-2026-56137 is a high vulnerability published on June 30, 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.
When was CVE-2026-56137 disclosed?
CVE-2026-56137 was first published in the National Vulnerability Database on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56137 actively exploited?
CVE-2026-56137 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 36.7% of all scored CVEs.
What is the CVSS score of CVE-2026-56137?
CVE-2026-56137 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-56137?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56137, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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