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TI-2026-22990 Aliases CVE-2026-28795GHSA-vmwq-8g8c-jm79

OpenChatBI: Critical Path Traversal Vulnerability in save_report Tool of OpenChatBI

Priority HIGH 77CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00508 43rd percentileScored 2026-11-07
Fix Fixed openchatbi (zhongyu09): 0.2.2openchatbi (PyPI): 0.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
zhongyu09openchatbibefore 0.2.20.2.2Patch availableCNA
—openchatbi (PyPI)before 0.2.20.2.2Patch availableGHSA-vmwq-8g8c-jm79
  • openchatbi Vendorzhongyu09 Affected before 0.2.2 Fixed in 0.2.2 Patch available CNA
  • openchatbi (PyPI) Vendor— Affected before 0.2.2 Fixed in 0.2.2 Patch available GHSA-vmwq-8g8c-jm79

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zhongyu09:openchatbi:*:*:*:*:*:*:*:*before 0.2.2Vulnerablezhongyu09
  • cpe:2.3:a:zhongyu09:openchatbi:*:*:*:*:*:*:*:* Versions before 0.2.2 Vulnerable ·zhongyu09

Remediation

  • Fix · CNA openchatbi (zhongyu09) Fixed in 0.2.2
  • Fix · GHSA-vmwq-8g8c-jm79 openchatbi (PyPI) Fixed in 0.2.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28795
  2. 2026-10-03 Alias added: GHSA-vmwq-8g8c-jm79
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 3

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences