| Título | ag-ui-protocol ag-ui v1.0 CWE-346 |
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| Descrição | The client's event application layer trusts the server stream for information that originates from the user side:
TEXT_MESSAGE_START carries any role, including user; the message is stored as-is (apply/default.ts:168-186) and returned to the server in the next request's messages (agent/agent.ts:385-399, prepareRunAgentInput).
MESSAGES_SNAPSHOT replaces the entire history with entries in any role, including developer/system (apply/default.ts:626-679).
Any RUN_FINISHED clears pendingInterrupts (apply/default.ts:924-927): a stream emitting RUN_FINISHED(interrupt) → RUN_STARTED → RUN_FINISHED(success) leaves no pending interrupt, so the next runAgent() proceeds without any resume — bypassing the guard at agent.ts:402-417. |
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| Fonte | ⚠️ https://github.com/ag-ui-protocol/ag-ui/issues/2437 |
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| Utilizador | meraklbz (UID 87053) |
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| Submissão | 18/08/2026 04h29 (há 30 dias) |
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| Moderação | 16/09/2026 07h36 (29 days later) |
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| Estado | Aceite |
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| Entrada VulDB | 405446 [ag-ui-protocol ag-ui 1.0 Event Application Layer agent/agent.ts prepareRunAgentInput TEXT_MESSAGE_START Elevação de Privilégios] |
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| Pontos | 20 |
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