CVE-2026-45716 Budibase: Builder-to-Admin Privilege Escalation via onboardUsers Endpoint Without SMTP Configuration

Budibase is an open-source low-code platform. Prior to 3.38.1, the POST /api/global/users/onboard endpoint is protected by workspaceBuilderOrAdmin middleware, allowing any user with builder permissions to access it. When SMTP email is not configured the default for self-hosted Budibase instances,...

Budibase: Builder-to-Admin Privilege Escalation via onboardUsers Endpoint Without SMTP Configuration

Summary The POST /api/global/users/onboard endpoint is protected by workspaceBuilderOrAdmin middleware, allowing any user with builder permissions to access it. When SMTP email is not configured the default for self-hosted Budibase instances, this endpoint bypasses the admin-restricted invite flo...

Improper Privilege Management

Overview @budibase/frontend-core is a Budibase frontend core libraries used in builder and client Affected versions of this package are vulnerable to Improper Privilege Management through the onboardUsers function. An attacker can gain unauthorized administrative privileges by sending crafted...

Improper Privilege Management

Overview @budibase/worker is a Budibase background service Affected versions of this package are vulnerable to Improper Privilege Management through the onboardUsers function. An attacker can gain unauthorized administrative privileges by sending crafted requests to the affected endpoint, allowin...