CVE-2026-72857

Budibase before 3.40.0 Credential Exposure via STRING Fields

Published Aug 13, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Budibase before 3.40.0 Credential Exposure via STRING Fields
First Time appeared Budibase
Budibase budibase
Weaknesses CWE-522
CPEs cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:*
Vendors & Products Budibase
Budibase budibase
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 14, 2026, 4:12 PM
Reserved
Aug 10, 2026, 3:16 PM
Status
Deferred
Published
Aug 13, 2026, 10:17 PM
Modified
Aug 31, 2026, 8:33 PM