Published:2026/10/27 Last Updated:2026/10/27
JVN#90463048
Sleipnir Mobile for Android vulnerable to user interface misrepresentation of critical information
Overview
Sleipnir Mobile for Android provided by Fenrir Inc. contains a user interface misrepresentation of critical information vulnerability.
Products Affected
- Sleipnir Mobile for Android versions prior to 3.9.0
Description
Sleipnir Mobile for Android provided by Fenrir Inc. contains the following vulnerability.
- User Interface (UI) Misrepresentation of Critical Information (CWE-451)
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Base Score 5.1
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Base Score 4.3
- CVE-2026-109434
Impact
Accessing a specially crafted webpage within the app may lead to falling victim to a phishing attack.
Solution
Update the Application
Update the application to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Fenrir Inc. | Sleipnir Mobile for Android 3.9.0 Released (Text in Japanese) |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
Fanda Dwi Aprilianto reported this vulnerability to Fenrir Inc. and coordinated. After the coordination was completed, Fenrir Inc. reported the case to JPCERT/CC to notify users of the solution through JVN.