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OpenAdvisories
High · 8.7 CVE-2026-35214 EUVD-2026-18793GHSA-2wfh-rcwf-wh23

Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and file write

Published Apr 3, 2026 · Updated Apr 3, 2026 · Assigned by GitHub_M

Description

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. An attacker with Global Builder privileges can craft a multipart upload with a filename containing ../ to delete arbitrary directories via rmSync and write arbitrary files via tarball extraction to any filesystem path the Node.js process can access. This issue has been patched in version 3.33.4.

Affected products

VendorProductAffectedFixed
Budibase budibase < 3.33.4 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @budibase/server < 3.33.4 3.33.4 GHSA-2wfh-rcwf-wh23

Advisories 1

References