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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (50.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.002
Affected products
- Zhongyu09 Openchatbi — versions < 0.2.2
Weakness classification (CWE)
References
- github.com/zhongyu09/openchatbi/security/advisories/GHSA-vmwq-8g8c-jm79 (Patch, Vendor Advisory)
- github.com/zhongyu09/openchatbi/issues/10 (Issue Tracking)
- github.com/zhongyu09/openchatbi/pull/12 (Patch, Issue Tracking)
- github.com/zhongyu09/openchatbi/commit/372a7e861da5159c3106d64d6f6edf8284db8c75 (Patch)
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.