CVE-2026-6107 MEDIUM

CVE-2026-6107: 1Panel-dev MaxKB ChatHeadersMiddleware chat_headers_middleware.py cross site scripting

Vendor 1Panel-Dev
Product MaxKB
Weakness CWE-79 · XSS
Published April 12, 2026
Last update April 15, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A flaw has been found in 1Panel-dev MaxKB up to 2.6.1. This issue affects some unknown processing of the file apps/common/middleware/chat_headers_middleware.py of the component ChatHeadersMiddleware. This manipulation of the argument Name causes cross site scripting. Remote exploitation of the attack is possible. Upgrading to version 2.8.0 is capable of addressing this issue. Patch name: 026a2d623e2aa5efa67c4834651e79d5d7cab1da. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Key dates

02Disclosure timeline

April 12, 2026 CVE published
April 15, 2026 Record updated