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CVE-2026-58128— Alan: Health Insurance for Android 1.450.0 Path Traversal via ShareReceiverActivity

Quick assessment

Affected
Alan Health Alan: Health Insurance
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Alan：Android 版健康保险应用（com.alanmobile）1.450.0 版本存在路径遍历漏洞。该漏洞允许同一设备上共存的恶意应用，通过已导出的 ShareReceiverActivity，利用来自共享内容 URI 且未经净化的 值来构造目标文件路径，从而在预期目录之外写入攻击者可控的文件。攻击者可发送精心构造的 ACTION_SEND 意图，其中 包含目录遍历序列，进而覆盖应用沙箱内的敏感文件（如数据库、shared_prefs 及 WebView 数据），实现在无需身份验证或用户交互的情况下篡改应

CVSS 6.2 · Medium
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I. Basic Information for CVE-2026-58128

Vulnerability Information
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Vulnerability Title
Alan: Health Insurance for Android 1.450.0 Path Traversal via ShareReceiverActivity
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Alan Health Alan: Health Insurance 1.450.0 -

II. Public POCs for CVE-2026-58128

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III. Intelligence Information for CVE-2026-58128

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Other References for CVE-2026-58128 (3)

IV. Related Vulnerabilities

Same weakness: CWE-22