CVE-2026-102667
Deferred Deferred - Pending Action

Joyland AI WebView JavaScript Injection Vulnerability

Publication date: 2026-10-01

Last updated on: 2026-10-01

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Description
Joyland AI app allows an attacker with shared network access to inject JavaScript into content loaded in WebView. Without user-granted permissions, an attacker could access the clipboard, make arbitrary HTTP requests via the Weex 'stream' module, or access app-internal storage. If the installed app has been granted permissions previously, the attacker can access the entire file system, camera, microphone, and GPS tracking.

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Meta Information

Published
2026-10-01
Last Modified
2026-10-01
Generated
2026-10-02
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
CVE-2026-102667
EUVD
EUVD-2026-91025

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-749 The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.

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Executive Summary

This vulnerability in the Joyland AI app allows an attacker with shared network access to inject JavaScript into WebView content. This can lead to unauthorized access to clipboard data, arbitrary HTTP requests via the Weex stream module, or exposure of app-internal storage. If the app has prior granted permissions, the attacker could gain access to sensitive resources like the file system, camera, microphone, and GPS tracking.

Detection Guidance

Detecting this vulnerability requires checking for unauthorized JavaScript injection in Joyland AI app's WebView. Monitor network traffic for unexpected HTTP requests from the app, inspect clipboard access logs, and review app-internal storage for suspicious files. No specific commands are provided in the context.

Impact Analysis

An attacker could steal sensitive data like clipboard contents or app storage. They might also make unauthorized network requests or access device features such as the camera, microphone, or location if the app has those permissions. This could lead to privacy breaches, data theft, or unauthorized surveillance.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection principles and HIPAA's safeguards for protected health information. Organizations using the affected app may face compliance violations, legal penalties, and reputational damage due to data breaches.

Mitigation Strategies

Immediately update the Joyland AI app to the latest version if a patch is available. Disable unnecessary permissions for the app, especially file system, camera, microphone, and GPS access. Restrict network access to trusted sources only and monitor for unusual activity.

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