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VULNERABILITIES

CVE-2026-39423 Details

Description

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an Eval Injection vulnerability in the Markdown rendering engine that allows any user capable of interacting with the AI chat interface to execute arbitrary JavaScript in the browsers of other users, including administrators, resulting in Stored Cross-Site Scripting (XSS). This issue has been fixed in version 2.8.0.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/1Panel-dev/MaxKB/commit/34fb95bde9574c5b3a734ab00c7f29b9e7d32669 [email protected]Patch
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0 [email protected]Release Notes
https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-462x-99gf-mp79 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]
CWE-95Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')[email protected]

Affected Products

ProductVersions
maxkb maxkb
< 2.8.0

CPE

  • cpe:2.3:a:maxkb:maxkb:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-39423
NVD Published Date:
Apr 14, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-39423 Details - Not Deferred