CVE-2026-86993

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, a Log Streaming event destination could reference a generic HTTP credential and decrypt whichever credential ID it named without an ownership check. A user with a custom global role carrying Log Streaming scopes could select a credential belonging to another project and send its decrypted secret to an attacker-controlled endpoint. The affected authorization boundary is packages/cli/src/modules/log-streaming.ee/destinations/destination-credentials-access.ts and the credential:read scope. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.

• CWE-862

• https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76Release Notes
• https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7Release Notes
• https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2Release Notes
• https://github.com/n8n-io/n8n/security/advisories/GHSA-pq6c-vh67-xpm3Mitigation, Vendor Advisory

Published

Sep 8, 2026

Last Modified

Sep 10, 2026

Status

Analyzed

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