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fix(tool_runner): avoid leaking tool exception details to LLM (CWE-209) #814

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fix(tool_runner): avoid leaking tool exception details to LLM (CWE-209) #814

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14 changes: 12 additions & 2 deletions src/rai_core/rai/agents/langchain/core/tool_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,19 @@ def run_one(call: ToolCall):
status="error",
)
except Exception as e:
self.logger.info(f'Error in "{call["name"]}", error: {e}')
# Log full exception details server-side only. Do NOT include
# the raw exception message in the ToolMessage returned to the
# LLM/user, as it may contain sensitive internals (file paths,
# stack traces, connection strings, credentials, internal IPs).
# See CWE-209: Generation of Error Message Containing Sensitive Information.
self.logger.exception(
f'Error in "{call["name"]}": {type(e).__name__}'
)
output = ToolMessage(
content=f"Failed to run tool. Error: {e}",
content=(
f"Tool '{call['name']}' failed with {type(e).__name__}. "
"Please try again or rephrase your request."
),
name=call["name"],
tool_call_id=call["id"],
status="error",
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