1Panel-dev MaxKB up to 2.10.2-lts Document/Paragraph Authorization authorize knowledge_id/document_id/paragraph_id access control

Summaryinfo

A vulnerability was found in 1Panel-dev MaxKB up to 2.10.2-lts. It has been rated as critical. Affected is the function authorize of the component Document/Paragraph Authorization. The manipulation of the argument knowledge_id/document_id/paragraph_id leads to access control. This vulnerability is referenced as CVE-2026-77517. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in 1Panel-dev MaxKB up to 2.10.2-lts. It has been rated as critical. This issue affects the function authorize of the component Document/Paragraph Authorization. The manipulation of the argument knowledge_id/document_id/paragraph_id with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-77517 since 08/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/21/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• 1Panel-dev

Name

• MaxKB

Version

• 2.10.2-lts

Website

• Product: https://github.com/1Panel-dev/MaxKB/

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