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FAPI-CIBA: binding message limitations - #866

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davetonge-mh:pr/597-binding-message-security
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davetonge-mh wants to merge 2 commits into
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davetonge-mh:pr/597-binding-message-security

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@davetonge-mh davetonge-mh commented Sep 16, 2026 •

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A binding message does not help if the consumption device is attacker-controlled. Added that to the security considerations and pointed at the OAuth cross-device BCP.

Closes #597

…tion device

Co-authored-by: Cursor <cursoragent@cursor.com>
The attacker-controlled consumption device limitation now follows those mitigations, so a QR code is not read as a fix for that case.

Co-authored-by: Cursor <cursoragent@cursor.com>

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CIBA - Make clear limitation of binding message

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