CVE-2026-64870
Medium
Description
MaxKB is an open-source AI assistant for enterprise. In versions 2.0.0 through 2.10.4-lts, UpdateStoreTool.update_tool passes caller-supplied download_url and download_callback_url values to requests.get without equivalent trusted-host and redirect validation, allowing an authenticated workspace user to make the server request internal, loopback, link-local, or cloud metadata URLs. A fix is present on the v2 branch but has not yet been included in a published release.
SeverityMedium
CVSS5.3
Exploit probability—
ProductMaxKB
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 1Panel-dev MaxKB | >= 2.0.0, <= 2.10.4-lts | — |
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