CVE-2026-30240

Budibase is a low code platform for creating internal tools, workflows, and admin panels. In 3.31.5 and earlier, a path traversal vulnerability in the PWA (Progressive Web App) ZIP processing endpoint (POST /api/pwa/process-zip) allows an authenticated user with builder privileges to read arbitrary files from the server filesystem, including /proc/1/environ which contains all environment variables — JWT secrets, database credentials, encryption keys, and API tokens. The server reads attacker-specified files via unsanitized path.join() with user-controlled input from icons.json inside the uploaded ZIP, then uploads the file contents to the object store (MinIO/S3) where they can be retrieved through signed URLs. This results in complete platform compromise as all cryptographic secrets and service credentials are exfiltrated in a single request.

• CWE-22
• CWE-73

• https://github.com/Budibase/budibase/security/advisories/GHSA-pqcr-jmfv-c9cpExploit, Vendor Advisory
• https://github.com/Budibase/budibase/security/advisories/GHSA-pqcr-jmfv-c9cpExploit, Vendor Advisory

Published

Mar 9, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

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