What is CVE-2026-45061?

CVE-2026-45061 is a high-severity vulnerability in Budibase, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-27.

How severe is CVE-2026-45061?

High severity. CVSS v3 base score is 7.7 out of 10.

SSRF in Budibase

CVE-2026-45061

Budibase is an open-source low-code platform. Prior to 3.35.10, the Plugin URL upload endpoint (POST /api/plugin) validates the submitted URL with a single substring check: url.includes(".tar.gz"). Any URL containing .tar.gz anywhere 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 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Budibase — versions < 3.35.10

Weakness classification (CWE)

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

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45061?: CVE-2026-45061 is a high-severity vulnerability in Budibase, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-27.
How severe is CVE-2026-45061?: High severity. CVSS v3 base score is 7.7 out of 10.