🛡️ Sentinel: [CRITICAL] Fix Path Traversal in File Upload

[haseeb-heaven]

🚨 Severity: CRITICAL\n💡 Vulnerability: Path traversal risk due to unsanitized uploadedfile.name in os.path.join within libs/general_utils.py. User-provided file names can contain directory traversal sequences (e.g., ../) which can allow files to be saved outside the intended directory.\n🎯 Impact: An attacker could potentially upload files to arbitrary directories on the server filesystem, potentially overwriting critical system files or injecting malicious executable files.\n🔧 Fix: Sanitized the user-provided filename using os.path.basename() before passing it to os.path.join(), ensuring the file is saved strictly within the intended temporary directory.\n✅ Verification: The code compiles successfully. Verified manually that os.path.basename() effectively strips path traversal characters from filenames.

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PR created automatically by Jules for task 8745635655120356351 started by @haseeb-heaven

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