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Vulnerabilities CVE-2026-64870

CVE-2026-64870

Medium
Open
TLP:CLEAR

MaxKB: UpdateStoreTool fetches caller-supplied app-store URLs without host validation

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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.

Details

CVSS Score
5.3
EPSS Score
0.22%

12.1th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
Jul 30, 2026
Last Modified
Jul 30, 2026
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