CVE-2026-40126

Medium

Description

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

SeverityMedium

CVSS4.8

Exploit probability—

Product

Service Center

PublishedAug 17, 2026

First seenAug 17, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

OutSystems Service Center11.41.2 or later

Vendor advisories

success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/

Affected products

Product	Affected versions	Fixed in
OutSystems Service Center	v < 11.41.2	11.41.2

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