What is CVE-2026-48153?

CVE-2026-48153 is a high-severity vulnerability in Budibase, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-05-27.

How severe is CVE-2026-48153?

High severity. CVSS v3 base score is 8.5 out of 10.

SSRF in Budibase

CVE-2026-48153

Budibase is an open-source low-code platform. Prior to 3.39.0, fetchToken in the OAuth2 SDK makes a POST to a builder-supplied URL with plain node-fetch, skipping the blacklist.isBlacklisted check that every other outbound fetch path in th…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

Affected products

Budibase — versions < 3.39.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48153?: CVE-2026-48153 is a high-severity vulnerability in Budibase, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-05-27.
How severe is CVE-2026-48153?: High severity. CVSS v3 base score is 8.5 out of 10.