CVE-2026-27794 LangGraph: BaseCache Deserialization of Untrusted Data may lead to Remote Code Execution

LangGraph Checkpoint defines the base interface for LangGraph checkpointers. Prior to version 4.0.0, a Remote Code Execution vulnerability exists in LangGraph's caching layer when applications enable cache backends that inherit from BaseCache and opt nodes into caching via CachePolicy. Prior to...