What is CVE-2025-66446?

CVE-2025-66446 is a high-severity vulnerability in 1panel-dev Maxkb, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.8/10. Published 2025-12-11.

How severe is CVE-2025-66446?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in 1panel-dev Maxkb

CVE-2025-66446

MaxKB is an open-source AI assistant for enterprise. Versions 2.3.1 and below have improper file permissions which allow attackers to overwrite the built-in dynamic linker and other critical files, potentially resulting in privilege escala…

Vulnerability class: Race Condition

EPSS: 0.000 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

1panel-dev Maxkb — versions < 2.4.0

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-5xx2-3q9w-jpgf (x_refsource_CONFIRM)
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.4.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-66446?: CVE-2025-66446 is a high-severity vulnerability in 1panel-dev Maxkb, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.8/10. Published 2025-12-11.
How severe is CVE-2025-66446?: High severity. CVSS v3 base score is 8.8 out of 10.