What is CVE-2026-35214?

CVE-2026-35214 is a high-severity vulnerability in Budibase, classified under Path Traversal. CVSS score: 8.7/10. Published 2026-04-03.

How severe is CVE-2026-35214?

High severity. CVSS v3 base score is 8.7 out of 10.

Path Traversal in Budibase

CVE-2026-35214

Budibase is an open-source low-code platform. Prior to version 3.33.4, the plugin file upload endpoint (POST /api/plugin/upload) passes the user-supplied filename directly to createTempFolder() without sanitizing path traversal sequences…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (19.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H.

Affected products

Budibase — versions < 3.33.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/Budibase/budibase/security/advisories/GHSA-2wfh-rcwf-wh23 (x_refsource_CONFIRM)
https://github.com/Budibase/budibase/pull/18240 (x_refsource_MISC)
https://github.com/Budibase/budibase/commit/6344d06d703660fd05995e61d581593c2349c879 (x_refsource_MISC)
https://github.com/Budibase/budibase/releases/tag/3.33.4 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35214?: CVE-2026-35214 is a high-severity vulnerability in Budibase, classified under Path Traversal. CVSS score: 8.7/10. Published 2026-04-03.
How severe is CVE-2026-35214?: High severity. CVSS v3 base score is 8.7 out of 10.