All reports

Is Matter safe?

This security report analyses whether Matter is safe to install on your browser. We check Matter for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Matter is safe for your personal or enterprise fleet.

Low risk

Read-it-later service extension with postMessage handlers lacking origin checks. Legitimate service with minor security issues in message handling.

0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 10 April 2026knjbgabkeojmfdhindppcmhhfiembkeb

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