Vulnerability-Lookup

CVE-2026-35394 (GCVE-0-2026-35394)

Vulnerability from cvelistv5 – Published: 2026-04-06 20:52 – Updated: 2026-04-07 15:09

Title

Mobile Next has Arbitrary Android Intent Execution via mobile_open_url

Summary

Mobile Next is an MCP server for mobile development and automation. Prior to 0.0.50, the mobile_open_url tool in mobile-mcp passes user-supplied URLs directly to Android's intent system without any scheme validation, allowing execution of arbitrary Android intents, including USSD codes, phone calls, SMS messages, and content provider access. This vulnerability is fixed in 0.0.50.

Severity ?

8.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

CWE

CWE-939 - Improper Authorization in Handler for Custom URL Scheme

Assigner

GitHub_M

References

URL

Tags

https://github.com/mobile-next/mobile-mcp/securit…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	mobile-next	mobile-mcp	Affected: < 0.0.50

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-35394

Vulnerability from fkie_nvd - Published: 2026-04-06 21:16 - Updated: 2026-04-09 17:49

Severity ?

8.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/mobile-next/mobile-mcp/security/advisories/GHSA-5qhv-x9j4-c3vm	Exploit, Mitigation, Patch, Vendor Advisory
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/mobile-next/mobile-mcp/security/advisories/GHSA-5qhv-x9j4-c3vm	Exploit, Mitigation, Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	mobilenexthq	mobile_mcp	*

JSON

To clipboard

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    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:mobilenexthq:mobile_mcp:*:*:*:*:*:node.js:*:*",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mobile Next is an MCP server for mobile development and automation. Prior to 0.0.50, the mobile_open_url tool in mobile-mcp passes user-supplied URLs directly to Android\u0027s intent system without any scheme validation, allowing execution of arbitrary Android intents, including USSD codes, phone calls, SMS messages, and content provider access. This vulnerability is fixed in 0.0.50."
    }
  ],
  "id": "CVE-2026-35394",
  "lastModified": "2026-04-09T17:49:05.567",
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        "type": "Secondary"
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}

GHSA-5QHV-X9J4-C3VM

Vulnerability from github – Published: 2026-04-04 05:37 – Updated: 2026-04-06 23:43

Summary

@mobilenext/mobile-mcp: Arbitrary Android Intent Execution via mobile_open_url

Details

Summary

The mobile_open_url tool in mobile-mcp passes user-supplied URLs directly to Android's intent system without any scheme validation, allowing execution of arbitrary Android intents, including USSD codes, phone calls, SMS messages, and content provider access.

Details

The vulnerable code passes URLs directly to adb shell am start -a android.intent.action.VIEW -d <url> without checking the URL scheme. This can enable malicious schemes such as tel:, sms:, mailto:, content://, and market:// to be executed.

Since MCP servers are designed to be operated by AI agents, which are vulnerable to prompt injection attacks, a malicious document or website could inject instructions that cause the AI to execute dangerous intents on a connected mobile device.

Impact

An attacker via prompt injection can: - Execute USSD codes (e.g., tel:*#06# to display IMEI - confirmed on Pixel 7a, behavior varies by device; or device-specific factory reset codes) - Initiate phone calls to premium rate numbers - Draft SMS messages with attacker-controlled content - Access content providers (contacts, SMS, call logs) - Open app installation prompts

Proof of Concept

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"mobile_open_url","arguments":{"device":"<id>","url":"tel:*#06#"}}}

Result: IMEI displayed on device.

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"mobile_open_url","arguments":{"device":"<id>","url":"sms:1234567890?body=HACKED"}}}

Result: SMS app opens with a pre-filled message.

Remediation

Upgrade to version 0.0.50 or later, which restricts mobile_open_url to http:// and https:// schemes by default. Users who require other URL schemes can opt in by setting MOBILEMCP_ALLOW_UNSAFE_URLS=1.

Severity ?

8.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@mobilenext/mobile-mcp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.50"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-35394"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-939"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-04T05:37:10Z",
    "nvd_published_at": "2026-04-06T21:16:21Z",
    "severity": "HIGH"
  },
  "details": "### Summary\n\nThe `mobile_open_url` tool in mobile-mcp passes user-supplied URLs directly to Android\u0027s intent system without any scheme validation, allowing execution of arbitrary Android intents, including USSD codes, phone calls, SMS messages, and content provider access.\n\n### Details\n\nThe vulnerable code passes URLs directly to `adb shell am start -a android.intent.action.VIEW -d \u003curl\u003e` without checking the URL scheme. This can enable malicious schemes such as `tel:`, `sms:`, `mailto:`, `content://`, and `market://` to be executed.\n\nSince MCP servers are designed to be operated by AI agents, which are vulnerable to prompt injection attacks, a malicious document or website could inject instructions that cause the AI to execute dangerous intents on a connected mobile device.\n\n### Impact\n\nAn attacker via prompt injection can:\n- Execute USSD codes (e.g., `tel:*#06#` to display IMEI - confirmed on Pixel 7a, behavior varies by device; or device-specific factory reset codes)\n- Initiate phone calls to premium rate numbers\n- Draft SMS messages with attacker-controlled content\n- Access content providers (contacts, SMS, call logs)\n- Open app installation prompts\n\n### Proof of Concept\n```json\n{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"mobile_open_url\",\"arguments\":{\"device\":\"\u003cid\u003e\",\"url\":\"tel:*#06#\"}}}\n```\n\nResult: IMEI displayed on device.\n```json\n{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"mobile_open_url\",\"arguments\":{\"device\":\"\u003cid\u003e\",\"url\":\"sms:1234567890?body=HACKED\"}}}\n```\n\nResult: SMS app opens with a pre-filled message.\n\n### Remediation\n\nUpgrade to version 0.0.50 or later, which restricts `mobile_open_url` to `http://` and `https://` schemes by default. Users who require other URL schemes can opt in by setting `MOBILEMCP_ALLOW_UNSAFE_URLS=1`.",
  "id": "GHSA-5qhv-x9j4-c3vm",
  "modified": "2026-04-06T23:43:53Z",
  "published": "2026-04-04T05:37:10Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mobile-next/mobile-mcp/security/advisories/GHSA-5qhv-x9j4-c3vm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35394"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mobile-next/mobile-mcp/pull/299"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mobile-next/mobile-mcp"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mobile-next/mobile-mcp/releases/tag/0.0.50"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "@mobilenext/mobile-mcp: Arbitrary Android Intent Execution via mobile_open_url"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-35394 (GCVE-0-2026-35394)

FKIE_CVE-2026-35394

GHSA-5QHV-X9J4-C3VM

Summary

Details

Impact

Proof of Concept

Remediation

Tags

Sightings

Nomenclature