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.

Published 2026-03-09 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (29.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Budibase — versions <= 3.24.0

Weakness classification (CWE)

References

github.com/Budibase/budibase/security/advisories/GHSA-2hfr-343j-863r (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.