CVE-2026-39423

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published4/14/2026

Last Modified4/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

maxkb:maxkb

Weaknesses (CWE)

CWE-79CWE-95

References

https://github.com/1Panel-dev/MaxKB/commit/34fb95bde9574c5b3a734ab00c7f29b9e7d32669(security-advisories@github.com)

https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0(security-advisories@github.com)

https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-462x-99gf-mp79(security-advisories@github.com)

IOC Correlations

No correlations recorded

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