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GHSA-FW9Q-39R9-C252 LangSmith Client SDKs has Prototype Pollution in langsmith-sdk via Incomplete `__proto__` Guard in Internal lodash `set()`

🗓️ 10 Apr 2026 20:18:02Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 8 Views

LangSmith SDK prototype pollution via lodash set; guard only __proto__; fixed 0.5.18.

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16 Apr 2026 22:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.6
EPSS0.00313
8