pypi package report

Is langgraph-checkpoint safe?

3 known vulnerabilities, worst severity HIGH.

cvss

7.4

how bad it is if exploited, out of 10

epss

0.90%

chance of exploitation in the next 30 days

xyz score

4.4

CyberXYZ composite, out of 10

fig. 01 — GHSA-wwqv-p2pp-99h5, the advisory selected below

// advisories

GHSA-wwqv-p2pp-99h5

HIGHCVE-2025-64439

Prior to langgraph-checkpoint version 3.0 , LangGraph’s JsonPlusSerializer (used as the default serialization protocol for all checkpointing) contains a remote code execution (RCE) vulnerability when deserializing payloads saved in the "json" serialization mode.

Affected: < 3.0.0
Fixed in: 3.0.0
Weakness: CWE-502
Published: 2025-11-05
Source: github

GHSA NVD MITRE reference reference reference reference

// dependencies

2 direct, 1 carrying known advisories, worst CRITICAL

// ai model usage

No published models are known to use this package.

Checked 2026-09-22 at 02:37 UTC. The most recent advisory here was published 2026-06-25. Updated continuously from NVD, GHSA, OSV and CNA feeds.

Is langgraph-checkpoint safe? pypi package security report | CyberXYZ