CVE-2026-106119

CVE-2026-106119 · LangChain: MongoDBChatMessageHistory query injection can allow cross-session access

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LangChain is a framework for building LLM-powered applications. Prior to 1.3.1, MongoDBChatMessageHistory does not enforce the documented string type for an untrusted structured session identifier at runtime, allowing the identifier to be interpreted as a MongoDB query condition rather than as a literal value when multiple users' histories are stored in a shared MongoDB collection. An attacker able to invoke chat-history operations can read, modify, or delete another user's stored conversation. Applications using authenticated, server-controlled string identifiers are not affected. This issue is fixed in version 1.3.1.

CVSS 6.0 · Средний · EPSS 0,5% · Есть исправление

Опубликовано

2026-10-06T18:01:24.262Z

Обновлено

2026-10-06T19:45:43.997Z

Стек: node

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