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OpenAdvisories
High · 7.5 CVE-2026-73406 EUVD-2026-57433GHSA-hr66-5mqr-8mpx

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

Published Aug 12, 2026 · Updated Aug 13, 2026 · Assigned by GitHub_M

Description

Budibase is an open-source low-code platform. Prior to 3.39.32, GET /api/global/users/tenant/:id was listed in PUBLIC_ENDPOINTS in packages/worker/src/api/index.ts, and tenantUserLookup returned a full PlatformUser document. An unauthenticated caller could query an email or user identifier, distinguish existing users from missing users, and obtain tenant identifiers, user identifiers, email addresses, SSO identifiers, and document revision metadata. This issue is fixed in version 3.39.32.

Affected products

VendorProductAffectedFixed
Budibase budibase < 3.39.32 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @budibase/server <= 3.38.1 — GHSA-hr66-5mqr-8mpx

Advisories 1

References