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fix: restore auth binding requirement dropped during SEP-2663 port #9

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LucaButBoring merged 1 commit into from
Aug 20, 2026
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fix: restore auth binding requirement dropped during SEP-2663 port #9

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1 change: 1 addition & 0 deletions specification/draft/tasks.md
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Expand Up @@ -900,6 +900,7 @@ The `tasks/get` endpoint returns exactly what the underlying request would have
## Security Considerations

- **Task ID unguessability.** A server **MAY** use task IDs as bearer tokens for a server's stored state. Servers **MUST** generate them with sufficient entropy that a third party cannot enumerate or guess them.
- **Auth binding.** Servers **MUST** perform authentication and authorization checks on each task-related request to ensure that the client has permission to access a task.
- **Cross-caller correlation.** Because there is no `tasks/list`, a server cannot inadvertently leak the existence of one caller's tasks to another. This is an improvement over the `2025-11-25` tasks specification, in which a poorly-scoped list could expose unrelated task IDs.
- **Input-request trust model.** `inputRequests` carry elicitation and sampling payloads from the server through the client to the user or model. Hosts **MUST** apply the same trust model to these payloads as they would to standard elicitation/sampling requests. A task is not a higher-trust channel.

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