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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-73304
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-13 22:17:25 UTC
Updated2026-08-13 22:17:25 UTC
DescriptionBudibase 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.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-200 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Budibase Budibase affected < 3.39.25 Not specified

References

ReferenceSourceLinkTags
github.com/Budibase/budibase/releases/tag/3.39.25 [email protected] github.com
github.com/Budibase/budibase/pull/19110 [email protected] github.com
github.com/Budibase/budibase/commit/80a31f6c3354620aa90e50af8a2c61433308... [email protected] github.com
github.com/Budibase/budibase/security/advisories/GHSA-fcrw-f7gg-6g9f [email protected] github.com
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