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Advisories

n8n before 1.123.80, 2.39.6, and 2.40.1 NoSQL Injection via MongoDB Chat Memory

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severity
high
date
Affecting

  • n8n >= 0, < 1.123.80

  • n8n >= 2.0.0, < 2.39.6

  • n8n >= 2.40.0, < 2.40.1

CWE
  • CWE-943 Improper Neutralization of Special Elements in Data Query Logic
CVSS
7.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:L
Credit
trap-bytes
Description
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 access conversation histories from other users and perform unauthorized write and delete operations.

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