CVE-2025-68665: falha de alta gravidade em langchain-ai langchainjs
LangChain serialization injection vulnerability enables secret extraction
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.6epss 0.8%
LangChain is a framework for building LLM-powered applications. Prior to @langchain/core versions 0.3.80 and 1.1.8, and prior to langchain versions 0.3.37 and 1.2.3, a serialization injection vulnerability exists in LangChain JS's toJSON() method (and subsequently when string-ifying objects using JSON.stringify(). The method did not escape objects with 'lc' keys when serializing free-form data in kwargs. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data contains this key structure, it is treated as a legitimate LangChain object during deserialization rather than plain user data. This issue has been patched in @langchain/core versions 0.3.80 and 1.1.8, and langchain versions 0.3.37 and 1.2.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Produtos afetados
langchain-ai · langchainjsCVEs relacionadas — langchain-ai langchainjs
No mesmo produto, das mais perigosas para as menos.
CVE-2026-106119MEDIUMLangChain: MongoDBChatMessageHistory query injection can allow cross-session accessEPSS 0.5%CVE-2026-26019MEDIUM@langchain/community affected by SSRF Bypass in RecursiveUrlLoader via insufficient URL origin validationEPSS 0.4%CVE-2026-105799LOWLangChain: RediSearch Filter Injection via Unescaped Tag/Text ValuesEPSS 0.3%CVE-2026-27795MEDIUMLangChain Community: redirect chaining can lead to SSRF bypass via RecursiveUrlLoaderEPSS 0.2%
Referências
https://github.com/langchain-ai/langchainjs/commit/e5063f9c6e9989ea067dfdff39262b9e7b6aba62https://github.com/langchain-ai/langchainjs/releases/tag/%40langchain%2Fcore%401.1.8https://github.com/langchain-ai/langchainjs/releases/tag/langchain%401.2.3https://github.com/langchain-ai/langchainjs/security/advisories/GHSA-r399-636x-v7f6