Missing Authorization Affecting n8n package, versions <2.37.7>=2.38.0 <2.38.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Oct 2026
- disclosed8 Sept 2026
- creditUnknown
Introduced: 8 Sep 2026
CVE-2026-86996 (opens in a new tab)How to fix?
Upgrade n8n to version 2.37.7, 2.38.2 or higher.
Overview
n8n is a n8n Workflow Automation Tool
Affected versions of this package are vulnerable to Missing Authorization in the enforcement of workflow caller policies when a workflow is attached as an Agent tool. An attacker can access restricted workflow outputs by constructing an Agent that invokes workflows not intended to be accessible to them.
Workaround
This vulnerability can be mitigated by restricting instance access to trusted users, auditing workflows attached as Agent tools, and removing sensitive workflows from Agent tool configurations until patched.