CVE-2026-72857

High

Description

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.

SeverityHigh
CVSS7.7
Exploit probability—
ProductBudibase
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-522CWE-522

How to fix

Update
  • Budibase budibase3.40.0 or later

Affected products

ProductAffected versionsFixed in
Budibase budibasev < 3.40.03.40.0

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