CVE•Published 2026-06-24•Modified 2026-06-26•1 article on news•5 live references•NVD data
CVE-2026-56351N8n · N8n
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS percentile
12
Exploit Prediction Scoring System · top 88% of all CVEs
Weaknesses (CWE)
Description
n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply specially crafted table or column names to execute unauthorized database commands and compromise data integrity.
Timeline
Published 2026-06-24
Modified 2026-06-26
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-56351Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"N8n N8n"All exposed N8n N8n instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"N8n"HTTP body or banner mentions "N8n" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-56351Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-56351Censys host search filtered to this CVE id.
grep.app
CVE-2026-56351Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-56351GitHub code search for direct mentions.
Google dork
"CVE-2026-56351" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-56351 on GitHub.