CVE-2026-72771

Medium

Description

n8n versions before 2.32.1 fail to enforce the Allowed HTTP Request Domains allowlist in multiple AI and LLM nodes when user-supplied base or endpoint URLs are configured. Low-privileged workflow editors with use-only access to shared credentials can redirect requests to attacker-controlled hosts and exfiltrate credential secrets for reuse against underlying services.

SeverityMedium

CVSS6.5

Exploit probability—

Product

N8n

PublishedAug 11, 2026

First seenAug 11, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

n8n n8n2.31.5 or later
n8n2.32.1, 2.31.5 or later

Vendor advisories

github.com/n8n-io/n8n/security/advisories/GHSA-64xh-79j6-r5v8

Affected products

Product	Affected versions	Fixed in
n8n n8n	v < 2.31.5, 2.32.0	2.31.5
n8nnpm	2.32.0 ≤ v < 2.32.1, v < 2.31.5	2.32.1, 2.31.5

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