What is CVE-2026-25737?

CVE-2026-25737 is a high-severity vulnerability in Budibase, classified under CWE-602. CVSS score: 8.9/10. Published 2026-03-09.

How severe is CVE-2026-25737?

High severity. CVSS v3 base score is 8.9 out of 10.

XSS in Budibase

CVE-2026-25737

Budibase is a low code platform for creating internal tools, workflows, and admin panels. In 3.24.0 and earlier, an arbitrary file upload vulnerability exists even though file extension restrictions are configured. The restriction is enforced only at the UI level. An attacker can bypass these restrictions and upload malicious files.

EPSS: 0.003 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L.

Affected products

Budibase — versions <= 3.24.0

Weakness classification (CWE)

CWE-602
CWE-79 — Cross-site Scripting
CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25737?: CVE-2026-25737 is a high-severity vulnerability in Budibase, classified under CWE-602. CVSS score: 8.9/10. Published 2026-03-09.
How severe is CVE-2026-25737?: High severity. CVSS v3 base score is 8.9 out of 10.