Path Traversal in Vaadin Flow

CVE-2026-2741

Specially crafted ZIP archives can escape the intended extraction directory during Node.js download and extraction in Vaadin 14.2.0 through 14.14.0, 15.0.0 through 23.6.6, 24.0.0 through 24.9.8, and 25.0.0 through 25.0.2. Vaadin’s build…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N.

Affected products

  • Vaadin Flow — versions 2.2.0, 3.0.0, 24.0.0
  • Vaadin — versions 14.2.0, 15.0.0, 24.0.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2741?
CVE-2026-2741 is a medium-severity vulnerability in Vaadin Flow, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-03-10.
How severe is CVE-2026-2741?
Medium severity. CVSS v3 base score is 6.8 out of 10.