From SQLi to RCE – Exploiting LangGraph’s Checkpointer

Checkpoint Research disclosed a vulnerability in LangGraph’s checkpointer (the persistence layer used by stateful multi‑agent AI systems) where an SQL injection in the persistence layer can be escalated to remote code execution. LangGraph (an extension of LangChain) provides memory/persistence for AI agents; if the checkpointer is not properly locked down, an attacker can manipulate stored state and ultimately achieve arbitrary code execution on systems using the vulnerable checkpointer, risking compromise of agent memory, secrets, and host systems. No CVE identifier was provided in the feed.