Unrated severityNVD Advisory· Published Jun 25, 2026· Updated Jul 28, 2026
MaxKB < 2.10.0 - Server-Side Request Forgery via downloadCallbackUrl and download_url Parameters
CVE-2026-56779
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.
Affected products
1- Range: <2.10.0
Patches
Vulnerability mechanics
References
3- github.com/1Panel-dev/MaxKB/commit/6c156afc656afa62ea4280e504a06ac1c9696b36mitrepatch
- github.com/1Panel-dev/MaxKB/issues/6272mitretechnical-descriptionexploit
- www.vulncheck.com/advisories/maxkb-server-side-request-forgery-via-downloadcallbackurl-and-download-url-parametersmitrethird-party-advisory
News mentions
0No linked articles in our index yet.