Open-Source AI Assistant Vulnerability in MaxKB
CVE-2026-64870

5.3MEDIUM

Key Information:

Vendor

1panel-dev

Status
Maxkb
Vendor
CVE Published:
30 July 2026

What is CVE-2026-64870?

A vulnerability exists in MaxKB, an open-source AI assistant for enterprises, where certain parameters, specifically download_url and download_callback_url, can be exploited by authenticated users. This flaw allows these users to pose as legitimate requests to internal, loopback, link-local, or cloud metadata URLs. Although a fix has been developed on the v2 branch, it has not yet been released. This weakness raises significant security concerns regarding internal requests and unverified external URLs.

Affected Version(s)

MaxKB >= 2.0.0, <= 2.10.4-lts

References

https://github.com/1Panel-dev/MaxKB/security/advisories/G...
x_refsource_CONFIRM
https://github.com/1Panel-dev/MaxKB/commit/a96a4fc17051d8...
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CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.