CVE-2026-72857 PUBLISHED

Budibase before 3.40.0 Credential Exposure via STRING Fields

Assigner: VulnCheck
Reserved: 10.08.2026 Published: 13.08.2026 Updated: 13.08.2026

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.

CVSS 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
CVSS Score: 8.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS Score: 7.7

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Budibase
Product	budibase
Versions	Default: unaffected affected from 0 to 3.40.0 (excl.) Version 3.40.0 is unaffected

CVE-2026-72857 PUBLISHED

Budibase before 3.40.0 Credential Exposure via STRING Fields

Metrics

Product Status

Credits

References

Problem Types