CVE-2025-40587: Siemens Polarion v2404

High severity, CVSS 7.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been identified in Polarion V2404 (All versions < V2404.5), Polarion V2410 (All versions < V2410.2). The affected application allows arbitrary JavaScript code be included in document titles. This could allow an authenticated remote attacker to conduct a stored cross-site scripting attack by creating specially crafted document titles that are later viewed by other users of the application.

Affected products

  • Siemens Polarion v2404: before V2404.5 (fixed in V2404.5)
  • Siemens Polarion v2410: before V2410.2 (fixed in V2410.2)

Published 2026-02-10. Last modified 2026-06-17.