CVE-2026-85172
MEDIUMn8n versions before 2.34.1 contain a server-side request forgery vulnerability in the legacy request helper function exposed to Code and Function nodes. The validation logic checks the uri property for SSRF safety while the underlying HTTP client uses the url property when both are present,...
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| n8n | npm | — | No patch |
Do you use n8n? You're affected.
How severe is it?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-85172?
n8n versions before 2.34.1 contain a server-side request forgery vulnerability in the legacy request helper function exposed to Code and Function nodes. The validation logic checks the uri property for SSRF safety while the underlying HTTP client uses the url property when both are present, allowing attackers to bypass validation by supplying a safe uri alongside a malicious url to access internal addresses.
Is CVE-2026-85172 actively exploited?
No confirmed active exploitation of CVE-2026-85172 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-85172?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-85172?
No CVSS score has been assigned yet.
What are the technical details?
Original Advisory
n8n versions before 2.34.1 contain a server-side request forgery vulnerability in the legacy request helper function exposed to Code and Function nodes. The validation logic checks the uri property for SSRF safety while the underlying HTTP client uses the url property when both are present, allowing attackers to bypass validation by supplying a safe uri alongside a malicious url to access internal addresses.
Weaknesses (CWE)
CWE-918 — Server-Side Request Forgery (SSRF): The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Source: MITRE CWE corpus.
References
- github.com/n8n-io/n8n/security/advisories/GHSA-jp9j-jr97-w9pj vendor-advisory
- vulncheck.com/advisories/n8n-before-2.34.1-ssrf-via-request-helper-uri-validation-bypass third-party-advisory
Timeline
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