AIKIDO-2025-10099
n8n-nodes-base is vulnerable to Prototype Pollution
40
Medium Risk
This Affects:
n8n-nodes-baseTL;DR
Affected versions of this package are affected by a prototype pollution vulnerability that can occur due to improper handling in the jsonToDocument function in the Google Cloud Firestore Node, allowing attackers to modify the prototypes of documents. By injecting specially crafted attributes, an attacker can manipulate the behavior of objects, which may lead to unauthorized access or compromise the application.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
n8n-nodes-base is vulnerable to Prototype Pollution in versions 0.89.0 - 1.77.2.
How to fix this
Upgrade the n8n-nodes-base library to the patch version.
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SOC 2Compliant
ISO 27001Compliant