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
- Zhongyu09 Openchatbi — versions < 0.2.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
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.