1Panel-dev MaxKB up to 2.10.4-lts UpdateStoreTool UpdateStoreTool.update_tool download_url/download_callback_url redirect

Summaryinfo

A vulnerability, which was classified as problematic, has been found in 1Panel-dev MaxKB up to 2.10.4-lts. Affected is the function UpdateStoreTool.update_tool of the component UpdateStoreTool. This manipulation of the argument download_url/download_callback_url causes redirect. The identification of this vulnerability is CVE-2026-64870. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in 1Panel-dev MaxKB up to 2.10.4-lts and classified as problematic. Affected by this vulnerability is the function UpdateStoreTool.update_tool of the component UpdateStoreTool. The manipulation of the argument download_url/download_callback_url with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-64870 since 07/20/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/30/2026). MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-51201). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• 1Panel-dev

Name

• MaxKB

Version

• 2.10.4-lts

Website

• Product: https://github.com/1Panel-dev/MaxKB/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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