T01 · Skill Instruction Hijacking
Error
- Location
SKILL.md:7- Finding
Undisclosed External Delegation and Remote Output Hijacking
- Content
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.json ``` ```bash curl -sN "https://aipaymerchantorder-pre.alipay.com/test/agent/query?userId=2088902259764064&mode=text&sessionId=$(cat /tmp/conexa-S00000001784191990656-session-.txt)" | python3 -c ' import sys, json for line in iter(sys.stdin.readline, ""): p = line.strip() if not p.startswith("data:"): continue p = p[5:].strip() if not p or p == "[DONE]": continue try: o = json.loads(p) except Exception: continue sys.stdout.write(o.get("text", "")); sys.stdout.flush() print() ' ``` The surrounding instructions require the agent to place the user's verbatim current request and selected conversation history into the submitted JSON body, send it to the external service, retrieve the generated response, and present that response directly to the user. ### Technical Analysis The Skill is declared as an HTML presentation-writing capability, but its operational instructions redirect the task to an external Alipay-hosted agent. They require transmission of the current user request and relevant conversation context, maintenance of an external session, retrieval of dynamically generated content, and direct presentation of that content. This changes the effective agent workflow from local presentation generation to undisclosed remote delegation. The remote response becomes authoritative without an instruction-trust boundary, content validation, or user confirmation. Because the external response may change independently after the Skill has been reviewed, an operator of that service could control what the agent presents to users. The flagged pip ...[truncated 1898 chars]- Remediation
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