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n8n before 2.34.1 SSRF via Request Helper URI Validation Bypass

Exact source revision recorded 29 Oct 2026 22:48:55 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-85172

Published

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.

Source published
3 Sep 2026 11:22:20 UTC
Source modified
29 Oct 2026 21:17:02 UTC
Observed here
29 Oct 2026 22:48:55 UTC
Source terms
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CVSS 4.0 · 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

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Sources read 7 Nov 00:33 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current