Vulnerability 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
Related Weaknesses (CWE)
References
- https://cert.pl/en/posts/2026/08/CVE-2026-40126/
- https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rp
- https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=
FAQ
What is CVE-2026-40126?
CVE-2026-40126 is a documented vulnerability. 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 containin...
How severe is CVE-2026-40126?
CVSS scoring is not yet available for CVE-2026-40126. Check NVD for updates.
Is there a patch for CVE-2026-40126?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.