What’s Vulnerable › Vulnerabilities

CVE-2026-64870: MaxKB: UpdateStoreTool fetches caller-supplied app-store URLs without host validation

• Severity: medium (CVSS 5.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-30 · updated 2026-10-23
• Weakness: CWE-918

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.

Affected products

• 1Panel-dev MaxKB: from 2.0.0, <= 2.10.4-lts

References

• https://github.com/1Panel-dev/MaxKB/commit/a96a4fc17051d80e5b90a632ad8ec851d7d24b58
• https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v
• https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v

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