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Vulnerability record · CVE-2025-66419 · published 11 December 2025

CVE-2025-66419: Maxkb race condition vulnerability

MMaxkb · Maxkb

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.

10.0 CVSS 3.1 Critical EPSS 0.31% · top 78.6% CWE-362 · Race condition
10.0CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/1Panel-dev/MaxKB/commit/f8ada9a110c4dbef8c3c2636c78847ecd621ece7 Patch
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.4.0 Release Notes
https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-f9qm-2pxq-fx6c Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-66419), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.