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CVE Watch21 sept 2026

CVE-2026-79917

MaxKB is an open-source AI assistant for enterprise. In 2.7.0 through 2.10.4-lts, POST /chat/api/{application_id}/chat/{chat_id}/share_chat

CVSS

6.5

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-285 · CWE-639

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

MaxKB is an open-source AI assistant for enterprise. In 2.7.0 through 2.10.4-lts, POST /chat/api/{application_id}/chat/{chat_id}/share_chat verifies that a conversation exists but does not verify that it belongs to the authenticated chat_user_id or to the application bound to the caller's token. An attacker with any chat token and a known victim chat_id can create an unauthenticated public ChatShareLink exposing the victim's conversation and can create PublicFileAccess state that makes associated files retrievable without credentials, with no available revoke path. No fixed version is available as of this review.

Referencias oficiales
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