CVE-2026-27794

A flaw was found in LangGraph Checkpoint. This vulnerability allows a remote attacker with write access to the cache backend to achieve remote code execution. This occurs when applications enable cache backends that inherit from BaseCache and opt nodes into caching via CachePolicy. If msgpack...

langgraph code issue vulnerability

Langgraph is a large-scale model framework developed by LangChain. Versions of Langgraph prior to 4.0.0 had code-related vulnerabilities. These vulnerabilities stemmed from the caching layer’s ability to deserialize cached values using pickle.loads when msgpack serialization fails, potentially...