CVE-2026-55253

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

CVE-2026-55253 LangChain MongoDB: NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

CVE-2026-55253 LangChain MongoDB: NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

EUVD-2026-77674

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

CVE-2026-55253 LangChain MongoDB: NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

CVE-2026-55253

A NoSQL injection vulnerability in the langgraph-checkpoint-mongodb (< 0.3.0) and langgraph-store-mongodb (

CVE-2026-55253: Improper Neutralization of Special Elements in Data Query Logic

LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list, MongoDBSaver.alist, and MongoDBStore.search incorporate filter dictionaries into MongoDB queries without...

LangChain MongoDB has NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

Executive SummaryA NoSQL injection issue exists in the langgraph-checkpoint-mongodb andlanggraph-store-mongodb libraries. MongoDBSaver.list and MongoDBStore.search methodsaccept a filter parameter that is incorporated into MongoDB queries without sufficient validation.Because MongoDB query operat...

PYSEC-2026-3859 LangChain MongoDB has NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

Executive Summary A NoSQL injection issue exists in the langgraph-checkpoint-mongodb and langgraph-store-mongodb libraries. MongoDBSaver.list and MongoDBStore.search methods accept a filter parameter that is incorporated into MongoDB queries without sufficient validation. Because MongoDB query...

LangChain MongoDB has NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

Executive SummaryA NoSQL injection issue exists in the langgraph-checkpoint-mongodb andlanggraph-store-mongodb libraries. MongoDBSaver.list and MongoDBStore.search methodsaccept a filter parameter that is incorporated into MongoDB queries without sufficient validation.Because MongoDB query operat...

PYSEC-2026-3860 LangChain MongoDB has NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure

Executive Summary A NoSQL injection issue exists in the langgraph-checkpoint-mongodb and langgraph-store-mongodb libraries. MongoDBSaver.list and MongoDBStore.search methods accept a filter parameter that is incorporated into MongoDB queries without sufficient validation. Because MongoDB query...