CVE-2026-40126: Outsystems Service Center

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server. This issue was fixed in OutSystems Service Center version 11.41.2

Affected products

• Outsystems Service Center: before 11.41.2 (fixed in 11.41.2)

Published 2026-08-17. Last modified 2026-08-28.