CVE-2026-103250

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a NoSQL injection vulnerability in the MongoDB Chat Memory node that fails to validate the sessionId parameter. Unauthenticated attackers can supply MongoDB query operators in the sessionId field to acce...

CVE-2026-103250

The automation platform n8n versions before 1.123.80, 2.39.6, and 2.40.1 is vulnerable to a NoSQL injection within the MongoDB Chat Memory node. The root cause is a failure to validate the sessionId parameter, allowing unauthenticated attackers to inject MongoDB query operators. This vulnerabilit...

EUVD-2026-90644

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a NoSQL injection vulnerability in the MongoDB Chat Memory node that fails to validate the sessionId parameter. Unauthenticated attackers can supply MongoDB query operators in the sessionId field to acce...