What’s Vulnerable › Vulnerabilities

CVE-2026-73537

• Severity: medium (CVSS 5.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-21 · updated 2026-10-26
• Weakness: CWE-79

Description

Cross-site scripting vulnerability exists in Miraikan Assist App. If this vulnerability is exploited, an arbitrary script may be executed in the browser component (WebView) running on the affected product, resulting in the displayed content being altered.

Affected products

• Japan Science and Technology Agency (JST) Miraikan Assist App Android version: before 1.1.7 — fixed in 1.1.7
• Japan Science and Technology Agency (JST) Miraikan Assist App iOS version: before 1.0.7 — fixed in 1.0.7

How to fix

Upgrade to a fixed version: Japan Science and Technology Agency (JST) Miraikan Assist App Android version 1.1.7; Japan Science and Technology Agency (JST) Miraikan Assist App iOS version 1.0.7. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN09266484/
• https://www.miraikan.jst.go.jp/en/news/general/202608194709.html

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