Back to CVE records
Medium 6.3Published Jul 15, 2026

CVE-2026-56349n8n - Guardrail Node Bypass via Crafted Input

Updated under an hour ago ()

Does this affect you?

It affects n8n. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity.

CVSS
6.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Jul 15, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
n8n n8n
n8n:n8n (from the name)
before 2.10.0; 2.10.0 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.