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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.

PUBLISHED Reserved 2026-04-07 | Published 2026-04-14 | Updated 2026-04-14 | Assigner GitHub_M




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

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')

Product status

< 2.8.0
affected

References

github.com/.../MaxKB/security/advisories/GHSA-462x-99gf-mp79

github.com/...ommit/34fb95bde9574c5b3a734ab00c7f29b9e7d32669

github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0

cve.org (CVE-2026-39423)

nvd.nist.gov (CVE-2026-39423)

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