CVE-2026-24471

continuwuity is a Matrix homeserver written in Rust. This vulnerability allows an attacker with a malicious remote server to cause the local server to sign an arbitrary event upon user interaction. Upon a user account leaving a room rejecting an invite, joining a room or knocking on a room, the...

CVE-2026-24471 Improper Validation in Conduit-derived homeservers resulting in Unintended Proxy or Intermediary ('Confused Deputy')

continuwuity is a Matrix homeserver written in Rust. This vulnerability allows an attacker with a malicious remote server to cause the local server to sign an arbitrary event upon user interaction. Upon a user account leaving a room rejecting an invite, joining a room or knocking on a room, the...

CVE-2026-24471

continuwuity is a Matrix homeserver written in Rust. This vulnerability allows an attacker with a malicious remote server to cause the local server to sign an arbitrary event upon user interaction. Upon a user account leaving a room rejecting an invite, joining a room or knocking on a room, the...

PT-2026-5720

Name of the Vulnerable Software and Affected Versions Continuwuity versions prior to 0.5.1 Conduit versions prior to 0.10.11 Grapevine versions prior to 0aae932b Tuwunel versions prior to 1.4.9 Description A flaw exists that allows a malicious remote server to cause a local server to sign an...

PT-2019-15690 · Matrix +2 · Matrix Synapse +2

Name of the Vulnerable Software and Affected Versions: Matrix Synapse versions prior to 1.5.0 Description: The issue concerns the mishandling of signature checking on some federation APIs. Events sent over "/send join", "/send leave", and "/invite" API endpoints may not be correctly signed, or ma...