CVE-2026-100687: Budibase Server before 3.45.0 Credential Exposure via External Table Broadcast

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-26 · updated 2026-10-08
Weakness: CWE-200

Description

Budibase Server before 3.45.0 fails to redact plaintext datasource credentials before broadcasting external table updates to the Builder collaboration websocket room. Attackers with Builder access can intercept unredacted datasource objects containing database passwords and API keys by observing table save or delete operations.

Affected products

budibase server: before 3.45.0 — fixed in 3.45.0

How to fix

Upgrade to a fixed version: budibase server 3.45.0. Check the vendor advisory for mitigations.

References

https://github.com/Budibase/budibase/security/advisories/GHSA-rmv5-3xpj-w885
https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-credential-exposure-via-external-table-broadcast

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