How severe is CVE-2026-28795?

CVE-2026-28795 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-28795 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28795?

CVE-2026-28795 affects Zhongyu09 Openchatbi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28795?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-28795 have an EU (EUVD) identifier?

Yes. CVE-2026-28795 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10003.

When was CVE-2026-28795 published?

CVE-2026-28795 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-28795

CVE-2026-28795 is a critical-severity vulnerability in Zhongyu09 Openchatbi with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10003
Weakness: CWE-22
Affected product: Zhongyu09 Openchatbi
Published: 2026-03-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-28795?: CVE-2026-28795 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28795 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28795?: CVE-2026-28795 affects Zhongyu09 Openchatbi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28795?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-28795 have an EU (EUVD) identifier?: Yes. CVE-2026-28795 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10003.
When was CVE-2026-28795 published?: CVE-2026-28795 was published on 2026-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zhongyu09:openchatbi:*:*:*:*:*:*:*:*

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