mediumCVSS 3.7Vulnerability

GHSA-fvfv-ppw4-7h2w

## Impact An end user interacting with a workflow that uses the Guardrail node could craft an input that bypasses the default guardrail instructions. ## Patches The issue has been fixed in n8n version 2.10.0. Users should upgrade to this version or later to remediate the vulnerability. ## Workarounds If upgrading is not immediately possible, administrators should consider the following temporary mitigations: - Limit access to trusted users. - Review asses the practical impact of guardrail bypasses in your usecase and adjust your workflow accordingly. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.

Properties

ghsa_id
GHSA-fvfv-ppw4-7h2w
summary
n8n has a Guardrail Node Bypass
severity
medium
cvss_score
3.7
cve_id
GHSA-fvfv-ppw4-7h2w
cvss_vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
is_ghsa_only
true
ghsa_published
2026-02-26T22:46:42Z
source_url
https://github.com/advisories/GHSA-fvfv-ppw4-7h2w
ghsa_updated
2026-02-26T22:46:43Z

Related Entities (4)

AFFECTS (1)

[Software]npm/n8n

HAS_WEAKNESS (2)

[Weakness]Improper Input Validation
[Weakness]Protection Mechanism Failure

REPORTED_BY (1)

[Source]GitHub Advisory Database

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