CVE-2026-42336

published 2026-05-26

CVE-2026-42336: MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file…

Priority P3 35 medium 5.1 CVSS 4.0

AV N AC H AT N PR L UI N VC N VI N VA N SC H SI L SA N E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing attackers to access internal network services. This vulnerability is fixed in 2.8.1.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
1panel-dev	maxkb	< 2.8.1	2.8.1

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CWE-367 CWE-918