What is CVE-2026-45717?

CVE-2026-45717 is a high-severity vulnerability in Budibase, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-05-27.

How severe is CVE-2026-45717?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Budibase

CVE-2026-45717

Budibase is an open-source low-code platform. Prior to 3.38.1, Budibase exposes a REST API for datasource management. The route PUT /api/datasources/:datasourceId is registered in the authorizedRoutes group with TABLE/READ permission. This…

Vulnerability class: Broken Access Control

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Budibase — versions < 3.38.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-45717?: CVE-2026-45717 is a high-severity vulnerability in Budibase, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-05-27.
How severe is CVE-2026-45717?: High severity. CVSS v3 base score is 8.8 out of 10.