CVE-2026-103397

MEDIUMCVSS 5.6

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 requests to access protected sync routes including save data, snapshots, and file operations.

Published 2026-09-30 · last modified 2026-09-30

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.