Auth bypass in 1panel-Dev Maxkb
CVE-2026-77517
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- 1panel-dev Maxkb — versions >= 2.0.0, <= 2.10.2-lts
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-77517?
- CVE-2026-77517 is a medium-severity vulnerability in 1panel-Dev Maxkb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-09-21.
- How severe is CVE-2026-77517?
- Medium severity. CVSS v3 base score is 5.4 out of 10.