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

Description

A NoSQL injection vulnerability existed in MongoDBSaver where checkpoint identifier fields from config.configurable were used in MongoDB queries without strict type enforcement.

Recommendation

Update the @langchain/langgraph-checkpoint-mongodb package to the latest compatible version. Followings are version details:

• Affected version(s): <= 1.3.0
• Patched version(s): 1.3.1

References

• GHSA-98xf-r82g-9mhx
• CVE-2026-48121
• CWE-943
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Feathers has a NoSQL Injection via WebSocket id Parameter in MongoDB Adapter - CVE-2026-29793
• @hypequery/clickhouse has SQL Injection in parameter escaping that allows arbitrary SQL execution - CVE-2026-54658
• payload-preferences has Cross-Collection IDOR in Access Control (Multi-Auth Environments) - CVE-2026-25574
• OneUptime has authorization bypass via client‑controlled is-multi-tenant-query header that leads to cross‑tenant data ex - CVE-2026-30956

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Tags:

npm

@langchain/langgraph-checkpoint-mongodb