CVE-2026-55088 Etherpad: Device-to-device author-token transfer endpoint is replayable, never expires, and exposes the cleartext author token

Etherpad is a real-time collaborative editor. From 2.6.0 until 3.1.0, Etherpad's src/node/hooks/express/tokenTransfer.ts uses POST /tokenTransfer to store an author token for transfer between browsers and exposes it through GET /tokenTransfer/uuid. Although the record includes createdAt, the...

PT-2026-76006

Etherpad's device-to-device author-token transfer endpoint is replayable, never expires, and exposes the cleartext author token in the GET response body Description Etherpad ships an endpoint pair under /tokenTransfer src/node/hooks/express/tokenTransfer.ts that lets a logged-in user move their...