What is CVE-2026-39417?

CVE-2026-39417 is a medium-severity vulnerability in 1panel-dev Maxkb, classified under OS Command Injection. CVSS score: 4.6/10. Published 2026-04-14.

How severe is CVE-2026-39417?

Medium severity. CVSS v3 base score is 4.6 out of 10.

RCE in 1panel-dev Maxkb

CVE-2026-39417

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an incomplete fix for CVE-2025-53928, where a Remote Code Execution vulnerability still exists in the MCP node of the workflow engine. MaxKB only restric…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

1panel-dev Maxkb — versions < 2.8.0

Weakness classification (CWE)

References

https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-pw52-326g-r5xj (x_refsource_CONFIRM)
https://github.com/1Panel-dev/MaxKB/commit/50e96002ee5dca34c68d3d9333b64ea358c92304 (x_refsource_MISC)
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-39417?: CVE-2026-39417 is a medium-severity vulnerability in 1panel-dev Maxkb, classified under OS Command Injection. CVSS score: 4.6/10. Published 2026-04-14.
How severe is CVE-2026-39417?: Medium severity. CVSS v3 base score is 4.6 out of 10.