CVE-2026-73406

HIGH 7.5

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

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-200
Vendor	budibase
Product	budibase
Published	Aug 12, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Budibase / budibase

< 3.39.32

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Budibase/budibase/security/advisories/GHSA-hr66-5mqr-8mpx github.com: https://github.com/Budibase/budibase/pull/19221 github.com: https://github.com/Budibase/budibase/commit/0bdf648ff4c024a138a546ef84217e4efbee538e github.com: https://github.com/Budibase/budibase/releases/tag/3.39.32