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OpenAdvisories
Medium · 4.9 CVE-2026-73304 EUVD-2026-58527GHSA-fcrw-f7gg-6g9f

Budibase: SSO OAuth2 Token Leakage via User Metadata Endpoints to Power-Role Users

Published Aug 13, 2026 · Updated Aug 14, 2026 · Assigned by GitHub_M

Description

Budibase is an open-source low-code platform. Prior to 3.39.25, GET /api/users/metadata and GET /api/users/metadata/:id returned user objects processed by packages/server/src/utilities/global.ts without removing oauth2.accessToken or oauth2.refreshToken. A user with the POWER role could retrieve the identity-provider credentials of SSO-authenticated users and use the refresh tokens for persistent access to connected services. This issue is fixed in version 3.39.25.

Affected products

VendorProductAffectedFixed
Budibase budibase < 3.39.25 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @budibase/server < 3.39.25 3.39.25 GHSA-fcrw-f7gg-6g9f

References