What is CVE-2026-54352?

CVE-2026-54352 is a critical-severity vulnerability in Budibase, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-06-26.

How severe is CVE-2026-54352?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Path Traversal in Budibase

CVE-2026-54352

Budibase is an open-source low-code platform. Prior to 3.39.9, `POST /api/pwa/process-zip` at packages/server/src/api/routes/static.ts:24 accepts a builder-uploaded .zip, extracts it with extract-zip@2.0.1 into a temp directory, then for e…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Budibase — versions < 3.39.9

Weakness classification (CWE)

CWE-22 — Path Traversal
CWE-59 — Improper Link Resolution Before File Access

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54352?: CVE-2026-54352 is a critical-severity vulnerability in Budibase, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-06-26.
How severe is CVE-2026-54352?: Critical severity. CVSS v3 base score is 9.6 out of 10.