CVE-2026-58128
Received Received - Intake

Path Traversal in Alan Health Insurance for Android

Vulnerability report for CVE-2026-58128, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-04

Last updated on: 2026-11-04

Assigner: VulnCheck

Description

Alan: Health Insurance for Android (com.alanmobile) 1.450.0 contains a path traversal vulnerability that allows a co-resident malicious application to write attacker-controlled files outside the intended directory via the exported ShareReceiverActivity, which uses an unsanitized _display_name value from a shared content URI to construct the destination file path. Attackers can send a crafted ACTION_SEND intent with a _display_name containing directory traversal sequences to overwrite sensitive files within the app's sandbox such as databases, shared_prefs, and WebView data, enabling state tampering or code execution in the app's context without authentication or user interaction.

CVSS Scores

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Meta Information

Published
2026-11-04
Last Modified
2026-11-04
Generated
2026-11-05
AI Q&A
2026-11-05
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Alan Health Alan: Health Insurance 1.450.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability is a path traversal issue in Alan: Health Insurance for Android version 1.450.0. It allows a malicious app on the same device to write files outside the intended directory by exploiting an exported ShareReceiverActivity. The app uses an unsanitized _display_name value from a shared content URI to create file paths, enabling attackers to include directory traversal sequences like ../ to overwrite sensitive files such as databases or app settings.

Impact Analysis

If you use Alan: Health Insurance for Android 1.450.0, a malicious app on your device could overwrite sensitive files used by the app. This could lead to state tampering, unauthorized code execution within the app, or corruption of your health insurance data without requiring authentication or your interaction.

Mitigation Strategies

Update the Alan Health Insurance app to the latest version to ensure the vulnerability is patched. If updating is not possible, consider uninstalling the app until a fix is available. Monitor for unusual file writes or modifications in sensitive directories like databases or shared_prefs.

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