Published:2026/10/15  Last Updated:2026/10/15

JVN#94004488
Smartphone application "Vehicle Inspection Certificate Viewer" vulnerable to sensitive information disclosure

Overview

The smartphone application "Vehicle Inspection Certificate Viewer" provided by the Ministry of Land, Infrastructure, Transport and Tourism contains a vulnerability in which sensitive information may be included in data transmitted by the application.

Products Affected

  • Vehicle Inspection Certificate Viewer (for Android) ver.6.2.0 and earlier
  • Vehicle Inspection Certificate Viewer (for iOS) ver.6.2.0 and earlier

Description

The smartphone application "Vehicle Inspection Certificate Viewer" provided by the Ministry of Land, Infrastructure, Transport and Tourism includes an API integration feature for operators handling vehicle inspection certificates.
The specifications for the API integration contain the following vulnerability:

  • Insertion of Sensitive Information Into Sent Data (CWE-201)
    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Base Score 6.9
    • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Base Score 5.3
    • CVE-2026-75559

Impact

API integration credentials, including an access ID and access key, may be disclosed.

Solution

Update the Application
Update the application to the latest version according to the information provided by the developer.

Note that the developer has issued new access IDs and access keys to API users and has revoked the access IDs and access keys that may have been exposed.
Therefore, this vulnerability can no longer be exploited.

Vendor Status

Vendor Link
Ministry of Land, Infrastructure, Transport and Tourism Vehicle Inspection Certificate Viewer (for Android)
Vehicle Inspection Certificate Viewer (for iOS)

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

Ijiri, Sho reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2026-75559
JVN iPedia JVNDB-2026-000151

Update History

2026/10/15
Information under the section "Other Information" was updated