从这个网页截图中可以获取到以下关于漏洞的关键信息： Description of the Vulnerability Vulnerability Type: Path Traversal Affected System: Office Automation (OA) system Issue: The system does not strictly filter input, leading to path traversal problems. System Situation Version: V1.1 Project Address: https://gitee.com/aaluoxiang/oa_system Analysis Problem: In the , the in the URI path value obtained by is replaced with null and directly outputs the file stream to the browser without filtering characters related to directory traversal. Code Snippet: Verify PoC: By constructing a PoC which will be replaced with , and finally implement path traversal to read the file. - Example URL: - Result: Successfully reads the file content.