LangGraph Checkpoint affected by RCE in "json" mode of JsonPlusSerializer
LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 2.1.2 and below, the JsonPlusSerializer (used as the default serialization protocol for all checkpointing) contains a Remote Code Execution (RCE) vulnerability when deseria…
Severity high: primary CNA CVSS 7.4 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-11-07T20:15:21.710Z. Updated 2025-11-07T20:21:52.610Z.