{"cve":"CVE-2026-40126","nvd":{"published":"2026-08-17T12:18:25.000","modified":"2026-08-28T15:26:19.533","status":"Deferred","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.\n\nThis issue was fixed in OutSystems Service Center version 11.41.2","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":4.8},"cvss_v3":null,"cwes":["CWE-79"],"references":["https://cert.pl/en/posts/2026/08/CVE-2026-40126/","https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/","https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:10.689564601+00:00"},"epss":{"cve":"CVE-2026-40126","score":0.00627,"percentile":0.50081,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}