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GHSA-R399-636X-V7F6 LangChain serialization injection vulnerability enables secret extraction

🗓️ 23 Dec 2025 20:08:48Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

LangChain JS serialization injection in toJSON enables secret extraction via unescaped keys in user data during deserialization.

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04 Feb 2026 02:41Current
7.2High risk
Vulners AI Score7.2
CVSS 3.18.6
EPSS0.00735
4