CVE-2026-45732 n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate ...

CVE-2026-45732

CVE-2026-45732 affects n8n, an open-source workflow automation platform. The vulnerability lies in the OAuth1/OAuth2 credential reconnect endpoints, which incorrectly authorize access using credential:read instead of credential:update. An authenticated user with read-only access to a shared crede...

Authorization Bypass Through User-Controlled Key

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the OAuth1 and OAuth2 credential reconnect endpoints. A user with readonly access to shared credentials can overwrite stored OAuth token material...