Authorization Bypass Through User-Controlled Key Affecting @n8n/instance-ai package, versions <1.12.4>=1.13.0 <1.13.1
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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- published19 Jul 2026
- disclosed15 Jul 2026
- creditUnknown
Introduced: 15 Jul 2026
NewCVE-2026-59254 (opens in a new tab)How to fix?
Upgrade @n8n/instance-ai to version 1.12.4, 1.13.1 or higher.
Overview
@n8n/instance-ai is an Instance AI is the agent runtime behind the AI assistant experience in n8n. It lets users ask for help with workflows, executions, credentials, nodes, and workflow building from inside an n8n instance.
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the workflow node expressions. An attacker can access plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.