AI Threat Alert
CVE-2026-59207
HIGHn8n 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...
Full CISO analysis pending enrichment.
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-2026-59207?
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.
Is CVE-2026-59207 actively exploited?
No confirmed active exploitation of CVE-2026-59207 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-59207?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-59207?
No CVSS score has been assigned yet.
What are the technical details?
Original Advisory
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.
Weaknesses (CWE)
CWE-693 — Protection Mechanism Failure: The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Source: MITRE CWE corpus.