VULNRABLE / Vulnerability / CVE-2026-48121

CVE-2026-48121

MEDIUM @langchain/langgraph-checkpoint-mongodb GHSA

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

LangGraph has NoSQL parameter injection in MongoDBSaver, allowing cross-tenant state access

What this means

CVE-2026-48121 is a medium-severity vulnerability affecting @langchain/langgraph-checkpoint-mongodb, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published June 12, 2026.

View full advisory at GHSA →