Auth bypass in Budibase

CVE-2026-48151

Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-48151?
CVE-2026-48151 is a high-severity vulnerability in Budibase, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-48151?
High severity. CVSS v3 base score is 7.5 out of 10.