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OpenAdvisories
Medium · 5.3 CVE-2026-73306 EUVD-2026-57429GHSA-cr7p-cr3q-h5cm

Budibase: Account Enumeration via Login Lockout Response Differential

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

Description

Budibase is an open-source low-code platform. Prior to 3.39.25, POST /api/global/auth/:tenantId/login incremented the failure counter in packages/worker/src/api/controllers/global/auth.ts only for existing users, while packages/worker/src/middleware/emailLockout.ts returned X-Account-Locked and Retry-After only for locked identifiers. An unauthenticated attacker could compare the response after repeated failures to enumerate valid email addresses and temporarily lock valid accounts. This issue is fixed in version 3.39.25.

Affected products

VendorProductAffectedFixed
Budibase budibase < 3.39.25 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @budibase/server <= 3.38.1 — GHSA-cr7p-cr3q-h5cm

References