PT-2026-60115 · N8N · N8N

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CVE-2026-56349

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Published

2026-02-26

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Updated

2026-07-15

CVSS v4.0

6.3

Medium

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.10.0
Description An input validation issue exists in the Guardrail node. This flaw allows users to provide specially crafted inputs to bypass default guardrail instructions, which can lead to the compromise of workflow integrity.
Recommendations Update to version 2.10.0 or later. As a temporary mitigation, restrict user input to the Guardrail node to minimize the risk of bypass.

Exploit

Fix

RCE

Protection Mechanism Failure

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Weakness Enumeration

Related Identifiers

CVE-2026-56349
GHSA-FVFV-PPW4-7H2W

Affected Products

N8N