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 · last modified .
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
EPSS: 0.003 (17.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-rmv5-3xpj-w885) (vendor-advisory)
- VulnCheck Advisory: Budibase Server before 3.45.0 Credential Exposure via External Table Broadcast (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.