RCE in 1panel-dev Maxkb
CVE-2026-6106
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manip…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (3.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- 1panel-dev Maxkb — versions 2.2.0, 2.2.1, 2.8.0
Weakness classification (CWE)
References
- VDB-356965 | 1Panel-dev MaxKB Public Chat static_headers_middleware.py StaticHeadersMiddleware cross site scripting (technical-description, vdb-entry)
- VDB-356965 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #781810 | 1Panel-dev MaxKB <= v2.2.1 Stored XSS (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-6106?
- CVE-2026-6106 is a low-severity vulnerability in 1panel-dev Maxkb, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-11.
- How severe is CVE-2026-6106?
- Low severity. CVSS v3 base score is 3.5 out of 10.