---
id: CVE-2026-85125
title: >-
  The Android application "YAMAP -Social Trekking GPS App" contains an improper
  access control vulnerability in its WebView implementation
summary: >-
  The Android application "YAMAP -Social Trekking GPS App" contains an improper
  access control vulnerability in its WebView implementation. The in-app browser
  may cause information leakage from the app or redirect users to unintended
  websi…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cwe:
  - CWE-940
vendor: YAMAP INC.
product: YAMAP -Social Trekking GPS App
affected:
  - yamap_-social_trekking_gps_app <= 17.1.0
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85125'
references:
  - url: 'https://info.yamap.com/archives/8173'
    label: vultures@jpcert.or.jp
  - url: 'https://jvn.jp/en/jp/JVN69877538/'
    label: vultures@jpcert.or.jp
  - url: 'https://play.google.com/store/apps/details?id=jp.co.yamap&hl=en'
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
epss: 0.00336
epssPercentile: 0.24197
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T19:35:30.726531Z'
ingestedAt: '2026-09-14T15:23:07.464Z'
---

## Overview

The Android application "YAMAP -Social Trekking GPS App" contains an improper access control vulnerability in its WebView implementation. The in-app browser may cause information leakage from the app or redirect users to unintended websites.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.