matrix vulnerabilities

Recent CVEs affecting matrix products. 8 tracked.

matrix has 8 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 8. Most recent: 2025-12-09. Highest priority: CVE-2024-53863 (score 49/100).

CVE-2025-66622 HIGH 7.5 UPGRADE matrix-sdk-base is the base component to build a Matrix client library
CVE-2025-30355 HIGH 7.1 UPGRADE Synapse is an open source Matrix homeserver implementation
CVE-2025-27146 LOW 2.7 UPGRADE matrix-appservice-irc is a Node.js IRC bridge for Matrix
CVE-2024-53863 CRITICAL 9.1 UPGRADE Synapse is an open-source Matrix homeserver
CVE-2024-52815 MEDIUM 5.3 UPGRADE Synapse is an open-source Matrix homeserver
CVE-2024-52805 HIGH 7.5 UPGRADE Synapse is an open-source Matrix homeserver
CVE-2024-37303 MEDIUM 5.3 UPGRADE Synapse is an open-source Matrix homeserver
CVE-2024-37302 HIGH 7.5 UPGRADE Synapse is an open-source Matrix homeserver

FAQ

How do I fix matrix vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is matrix being exploited right now?

None of the tracked matrix CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which matrix CVE should I patch first?

CVE-2024-53863 currently ranks highest (49/100): Synapse is an open-source Matrix homeserver.

Products

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