A critical remote code execution vulnerability (CVE-2025-30065) has been found in all versions of Apache Parquet up to 1.15.0, allowing attackers to exploit specially crafted Parquet files for malicious purposes. Users are urged to upgrade to version 1.15.1 to mitigate the risk, which is particularly significant for big data environments and analytics systems that rely on Parquet files. Although no active exploitation has been reported yet, the potential for severe impact remains high due to the widespread use of this format.