CVE-2026-59207 - n8n: "Allowed HTTP Request Domains" Restriction Bypass via AI Agents MCP Connector

CVE-2026-59207 - n8n: "Allowed HTTP Request Domains" Restriction Bypass via AI Agents MCP Connector

https://cvefeed.io/rssfeed/latest.atom / Thu, 07/09/2026 - 19:04
CVE ID :CVE-2026-59207
Published : July 9, 2026, 4:16 p.m. | 20 minutes ago
Description :n8n is an open source workflow automation platform. Prior to 2.27.4 and 2.28.1, the AI Agents feature did not enforce the Allowed HTTP Request Domains restriction configured on credentials when an MCP tool was pointed at an arbitrary URL, allowing a member-level user with use-only access to a shared credential to send its secret to an external server they control. This issue is fixed in versions 2.27.4 and 2.28.1.
Severity: 7.1 | HIGH
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About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.