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Dark hero graphic titled LangGraph checkpointer RCE chain with four labelled security cards

Engineering · Aug 5, 2026 · 17 min read

3 LangGraph CVEs chain to RCE: the checkpointer version matrix and a 30-minute audit

Check Point chained CVE-2025-67644 and CVE-2026-28277 from a metadata filter key to remote code execution on self-hosted LangGraph servers. Here is the version matrix and a 30-minute audit.

Manu Shukla

#LangGraph #ai agent security #cve