CVE-2026-48121
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
LangGraph has NoSQL parameter injection in MongoDBSaver, allowing cross-tenant state access
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | @langchain/langgraph-checkpoint-mongodb | <1.3.1 | 1.3.1 |
References
- https://github.com/langchain-ai/langgraphjs/security/advisories/GHSA-98xf-r82g-9mhx
- https://github.com/langchain-ai/langgraphjs/issues/2351
- https://github.com/langchain-ai/langgraphjs/pull/2397
- https://github.com/langchain-ai/langgraphjs/commit/284226c7ca164b3c81fe2d9e32b10f1fc6b99a3c
- https://github.com/langchain-ai/langgraphjs
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.