Information disclosure in Budibase Server
CVE-2026-100687
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.
Vulnerability class: Information Disclosure
Published .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Budibase/budibase/security/advisories/GHSA-rmv5-3xpj-w885 (vendor-advisory)
- www.vulncheck.com/advisories/budibase-server-before-3.45.0-credential-exposure-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100687?
- CVE-2026-100687 is a medium-severity vulnerability in Budibase Server, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-09-26.
- How severe is CVE-2026-100687?
- Medium severity. CVSS v3 base score is 5.5 out of 10.