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CVE Watch21 sept 2026

CVE-2026-77525

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, management chat-record routes authorize the path application

CVSS

4.2

Medio

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 21 sept 2026 · Última mod.: 21 sept 2026 · CWE-862

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, management chat-record routes authorize the path application_id but load records using global chat_id and chat_record_id values without confirming that the chat belongs to the authorized application. A normal user in the same workspace who knows the chat_id of a persisted non-debug record for a victim's published application can place it under a separate attacker-owned application path to read victim chat records. An attacker with an owned knowledge base and document can also use add_knowledge to copy victim answers while updating the victim record's improve_paragraph_id_list. No fixed version is available as of this review.

Referencias oficiales
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