Vulnerability · Published Mar 6, 2026 · Assigned by GitHub_M

CVE-2026-28795OpenChatBI: Critical Path Traversal Vulnerability in save_report Tool of OpenChatBI

High 8.7

In plain English

A high-severity path traversal in openchatbi from zhongyu09. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)0.5%top 56.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	openchatbi	0.2.2	GHSA-vmwq-8g8c-jm79
PyPI	openchatbi	0.2.2	PYSEC-2026-2794

Affected products (as reported)

Vendor	Product	Versions
zhongyu09	openchatbi	< 0.2.2

Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://github.com/zhongyu09/openchatbi/security/advisories/GHSA-vmwq-8g8c-jm79 x_refsource_CONFIRM
https://github.com/zhongyu09/openchatbi/issues/10 x_refsource_MISC
https://github.com/zhongyu09/openchatbi/pull/12 x_refsource_MISC
https://github.com/zhongyu09/openchatbi/commit/372a7e861da5159c3106d64d6f6edf8284db8c75 x_refsource_MISC