Improper Authentication Affecting @n8n/api-types package, versions <1.8.0
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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- published27 Feb 2026
- disclosed26 Feb 2026
- creditstanislavfortaisle
Introduced: 26 Feb 2026
CVE-2026-56350 (opens in a new tab)How to fix?
Upgrade @n8n/api-types to version 1.8.0 or higher.
Overview
@n8n/api-types is a fair-code workflow automation platform with native AI capabilities
Affected versions of this package are vulnerable to Improper Authentication via the Self-Service Settings API. An attacker can circumvent centralized identity management and multi-factor authentication by disabling SSO enforcement for their own account and creating local credentials after authenticating through SSO.
Workaround
This vulnerability can be mitigated by monitoring audit logs for users who create local credentials after authenticating via SSO and restricting the instance to fully trusted users only.