GHSA-fw9q-39r9-c252Published
LangSmith Client SDKs has Prototype Pollution in langsmith-sdk via Incomplete `__proto__` Guard in Internal lodash `set()`
Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-40190 · Microsoft / collected KEV context
osv · GHSA-fw9q-39r9-c252
- https://github.com/langchain-ai/langsmith-sdk/security/advisories/GHSA-fw9q-39r9-c252
- https://nvd.nist.gov/vuln/detail/CVE-2026-40190
- https://github.com/langchain-ai/langsmith-sdk/pull/2690
- https://github.com/langchain-ai/langsmith-sdk/commit/31d3c3aec02892f4312baae112f817d6b2f0ebe3
- https://github.com/langchain-ai/langsmith-sdk
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