Literal Proxy metadata validation inconsistency fix & PoC

Vulnerability Overview Vulnerability Type: Request Parameter Validation Inconsistency Vulnerability Description: On the branch, the module exhibits inconsistent validation logic for the field in when processing requests. Specific endpoints (such as and ) apply different validation rules for compared to the common validation logic in . This inconsistency can cause certain illegal or unexpected values to be incorrectly accepted or rejected, potentially leading to security or functional issues. Scope of Impact Affected Files: - - - - - Affected Functions: - The function in - The and functions in - The function in - The function in - Test cases in Remediation Plan Remediation Strategy: Unify the validation logic for the field to ensure all endpoints use consistent validation rules. Specific Changes: - In , modify the function to ensure the validation logic for the field is consistent with other endpoints. - In , modify the and functions to ensure the validation logic for the field is consistent with . - In , modify the function to ensure the validation logic for the field is consistent with . - In , modify the function to ensure the validation logic for the field is consistent with . - In , add or modify test cases to ensure the validation logic for the field is consistent across all endpoints. POC Code or Exploitation Code ```python In literal_pre_call_util.py def reject_url_valued_destination( data: dict[str, Any], field: str, value: str, ) -> None: if not isinstance(value, str): return if not isinstance(data, dict): return if field in data: if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if not isinstance(data[field], str): return if

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Literal Proxy metadata validation inconsistency fix & PoC

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