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Federated-Sharing

  • None assigned as of 2026-07-03 cloud HIGH

    Nextcloud Federated Share OCM Bearer Token Scope Escalation to Sender WebDAV Access

    When a Nextcloud user creates a normal federated file share, the sender instance generates a permanent authentication token that is also stored as the federated share's secret; that token is created without an explicit narrow scope, so it defaults to full…

    Unverified 2026-07-03