CVE-2026-73406 Budibase: Unauthenticated user information disclosure via public tenant user lookup endpoint

Budibase is an open-source low-code platform. Prior to 3.39.32, GET /api/global/users/tenant/:id was listed in PUBLICENDPOINTS in packages/worker/src/api/index.ts, and tenantUserLookup returned a full PlatformUser document. An unauthenticated caller could query an email or user identifier,...

CVE-2026-73406 Budibase: Unauthenticated user information disclosure via public tenant user lookup endpoint

Budibase is an open-source low-code platform. Prior to 3.39.32, GET /api/global/users/tenant/:id was listed in PUBLICENDPOINTS in packages/worker/src/api/index.ts, and tenantUserLookup returned a full PlatformUser document. An unauthenticated caller could query an email or user identifier,...

Information Exposure

Overview @budibase/worker is a Budibase background service Affected versions of this package are vulnerable to Information Exposure via the tenantUserLookup function. An attacker can obtain sensitive user and tenant information, including email addresses, user IDs, tenant IDs, SSO identifiers, an...

Budibase: Unauthenticated user information disclosure via public tenant user lookup endpoint

Summary The Budibase Worker service exposes a public, unauthenticated API endpoint GET /api/global/users/tenant/:id that returns sensitive user information including tenantId, userId, email, and ssoId. The endpoint is registered in the PUBLICENDPOINTS list with a TODO comment acknowledging it...