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Vulnerabilities

CVE-2026-39423 | BDVDB-2026-327103 Detail

1Panel-devMaxKB

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.