CVE-2026-77517
MaxKB cross-knowledge IDOR lets a normal user read and modify documents and paragraphs in another knowledge base
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.10.2-lts, document and paragraph operate routes authorize only knowledge_id in the request path, then query the target Document by document_id or Paragraph by paragraph_id without confirming that the object belongs to that knowledge base. A normal workspace user with a known victim document or paragraph UUID can use an attacker-owned knowledge-base path to read or modify content in another user's knowledge base. No fixed version is available as of this review.
| CWE | CWE-639 CWE-862 |
| Vendor | 1panel-dev |
| Product | maxkb |
| Published | Sep 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
1Panel-dev / MaxKB
>= 2.0.0, <= 2.10.2-lts