Medium severity6.4NVD Advisory· Published Jun 25, 2026· Updated Jul 14, 2026

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

1panel Dev/Maxkbllm-fuzzy
Range: <2.10.0

Patches

Vulnerability mechanics

References

github.com/1Panel-dev/MaxKB/commit/6c156afc656afa62ea4280e504a06ac1c9696b36nvd
github.com/1Panel-dev/MaxKB/issues/6272nvd
www.vulncheck.com/advisories/maxkb-server-side-request-forgery-via-downloadcallbackurl-and-download-url-parametersnvd

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