CVE-2026-40126

UNKNOWN 0.0

DOM-based Cross-Site Scripting in OutSystems Service Center

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-79
Vendor	outsystems
Product	service center
Published	Aug 17, 2026

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Affected Versions

OutSystems / Service Center

0 < 11.41.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cert.pl: https://cert.pl/en/posts/2026/08/CVE-2026-40126/ outsystems.com: https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime success.outsystems.com: https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/

Credits

Zbigniew Piotrak (AFINE Team)