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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://info.yamap.com/archives/8173 cve-icon cve-icon
https://jvn.jp/en/jp/JVN69877538/ cve-icon cve-icon
https://play.google.com/store/apps/details?id=jp.co.yamap&hl=en cve-icon cve-icon
History

Mon, 14 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Title Improper Access Control in WebView Leading to Information Leakage and Unintended Redirects

Mon, 14 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-940
References
Metrics cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-14T06:46:32.519Z

Reserved: 2026-09-03T08:26:09.640Z

Link: CVE-2026-85125

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T07:17:22.037

Modified: 2026-09-14T07:17:22.037

Link: CVE-2026-85125

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-14T11:00:11Z

Weaknesses