zhongyu09 openchatbi up to 0.2.1 save_report.py file_format path traversal

Summaryinfo

A vulnerability identified as critical has been detected in zhongyu09 openchatbi up to 0.2.1. Impacted is an unknown function of the file openchatbi/tool/save_report.py. Performing a manipulation of the argument file_format results in path traversal. This vulnerability is known as CVE-2026-28795. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in zhongyu09 openchatbi up to 0.2.1. This affects some unknown functionality of the file openchatbi/tool/save_report.py. The manipulation of the argument file_format with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-28795 since 03/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 0.2.2 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• zhongyu09

Name

• openchatbi

Version

• 0.2.0
• 0.2.1

Website

• Product: https://github.com/zhongyu09/openchatbi/

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Duplicate

• Submit #XXXXXX: Xxxxxxxxxx Xx.x.x Xxxxxxxx Xxxx Xxxxxxxxx (by Goku)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion