CVE-2026-64870

unknowncovered by 1 sourcefirst seen 2026-07-30

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.

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Exploitation outlook

Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-64870: MaxKB is an open-source AI assistant for enterprise. In versions 2.0.0 through 2.10.4-lts, Upd…nvd · 2026-07-30

External references

NVD record for CVE-2026-64870

CVE.org record

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