OpenChatBI — Path Traversal (CVE-2026-28795)
Date: 2026-03
Affected: zhongyu09/openchatbi
Attack vector: path-traversal
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2026-28795
CWE: CWE-22
CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.


Mitigations:

Architectural layers (MAESTRO):