CVE-2026-72857: Budibase before 3.40.0 Credential Exposure via STRING Fields

Published Aug 13, 2026
·
Updated

Budibase before 3.40.0 fails to redact datasource credentials stored in STRING typed fields, allowing authenticated users to read MongoDB connection strings and Firebase private keys in plaintext. Attackers with table read permissions can retrieve datasource configurations through the read API to obtain live backend database credentials and service account keys.

Affected Software

1 affected component
budibase Budibase<3.40.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Budibase to a version that resolves this vulnerability.

    Fixed in 3.40.0
  2. Compensating control

    Ensure only trusted/authorized users have 'table read' permissions, since users with table read permissions can retrieve datasource configurations through the read API to obtain live backend database credentials and service account keys.

Event History

Aug 13, 2026
CVE Published
via MITRE·09:54 PM
Data Sourced
via MITRE·09:54 PM
DescriptionSeverityWeakness
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