VULNERABILITY INTELLIGENCE

CVE-2026-56779

CVSS score6.4 MEDIUM

EPSS probability0.29%

CISA KEVNot currently listed

Published2026-06-25

Last modified2026-10-25

Description

MaxKB before 2.10.0 contains a server-side request forgery vulnerability in tool creation and update endpoints that allows authenticated users to make arbitrary server requests by supplying unvalidated downloadCallbackUrl and download_url parameters. Attackers with default workspace USER role can exploit this to access internal network services by providing malicious URLs to the ToolSerializer endpoints.