@langchain langgraph vulnerabilities

Latest @langchain langgraph CVEs

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1. CVE-2026-28277 LangGraph: Unsafe msgpack deserialization in LangGraph checkpoint loading

   Published 2026-03-05

   High·CVSS 7.2 EPSS 5.5%

   LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization....

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.