CVE-2026-77517: medium-severity vulnerability in 1Panel-dev MaxKB
MaxKB cross-knowledge IDOR lets a normal user read and modify documents and paragraphs in another knowledge base
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected products
1Panel-dev · MaxKBRelated CVEs — 1Panel-dev MaxKB
In the same product, most dangerous first.
CVE-2026-6108MEDIUM1Panel-dev MaxKB Model Context Protocol Node base_mcp_node.py execute os command injectionEPSS 1.5%CVE-2026-77521CRITICALMaxKB: Prompt-injectable agent can lead to command executionEPSS 1.0%CVE-2024-56137MEDIUMMaxKB RCE vulnerability in function libraryEPSS 0.8%CVE-2025-4546MEDIUM1Panel-dev MaxKB Knowledge Base Module csv injectionEPSS 0.7%CVE-2025-53928MEDIUMMaxKB has RCE in MCP callEPSS 0.5%CVE-2026-54149HIGHMaxKB MCP tool import validation bypass allows post-authentication remote code executionEPSS 0.5%