CVE-2025-66419
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-11

Last updated on: 2025-12-15

Assigner: GitHub, Inc.

Description
MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.
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Meta Information
Published
2025-12-11
Last Modified
2025-12-15
Generated
2026-06-16
AI Q&A
2025-12-12
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66419
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
maxkb maxkb to 2.4.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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Executive Summary

The vulnerability in MaxKB versions 2.3.1 and below allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This means that an attacker can break out of the restricted execution environment intended to isolate processes and gain higher-level access than normally permitted.

Impact Analysis

This vulnerability can lead to severe impacts including unauthorized access to sensitive data, full control over the affected system, and potential disruption of services. Because the attacker can escalate privileges, they may execute arbitrary code with elevated rights, compromising confidentiality, integrity, and availability.

Mitigation Strategies

Upgrade MaxKB to version 2.4.0 or later, as this version fixes the sandbox escape and privilege escalation vulnerability present in versions 2.3.1 and below.

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