Path Traversal in Zhongyu09 Openchatbi

CVE-2026-28795

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-28795?
CVE-2026-28795 is a critical-severity vulnerability in Zhongyu09 Openchatbi, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-03-06.
How severe is CVE-2026-28795?
Critical severity. CVSS v3 base score is 9.8 out of 10.