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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-73406
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 20:17:55 UTC
Updated2026-08-12 20:17:55 UTC
DescriptionBudibase 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/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]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Budibase Budibase affected < 3.39.32 Not specified

References

ReferenceSourceLinkTags
github.com/Budibase/budibase/pull/19221 [email protected] github.com
github.com/Budibase/budibase/commit/0bdf648ff4c024a138a546ef84217e4efbee... [email protected] github.com
github.com/Budibase/budibase/releases/tag/3.39.32 [email protected] github.com
github.com/Budibase/budibase/security/advisories/GHSA-hr66-5mqr-8mpx [email protected] github.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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