CVE-2026-103397 OpenSave before 2.4.0-beta.1 Authentication Bypass via Spoofed Relay Sender

OpenSave before 2.4.0-beta.1 fails to validate sender identity in WAN relay requests, allowing unpaired room members to impersonate paired devices by spoofing the RelayMessage From field. Attackers who know the room code can join, read paired peer identifiers from announcements, and send forged...

CVE-2026-103397

The OpenSave software prior to version 2.4.0-beta.1 is vulnerable to an authentication bypass due to insufficient validation of sender identities in WAN relay requests. An attacker who knows the room code can join a room, extract paired peer identifiers from announcements, and then spoof the Rela...