Auth bypass in Langchain-ai Langgraph

CVE-2026-71433

LangGraph Checkpoint Postgres and SQLite Checkpoint are the Postgres and SQLite implementations of LangGraph's checkpoint saver. Prior to 3.1.1, the langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite packages persisted hierarchi…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71433?
CVE-2026-71433 is a medium-severity vulnerability in Langchain-ai Langgraph, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-06.
How severe is CVE-2026-71433?
Medium severity. CVSS v3 base score is 5.3 out of 10.