{"id":"CVE-2026-124700","aliases":["EUVD-2026-124563","GHSA-mj6m-6q3p-686m"],"status":"published","title":"URL Redirection to Untrusted Site in Progress Telerik UI for WinForms","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2026-11-12T17:21:46Z","modified":"2026-11-12T18:32:03Z","products":[{"vendor":"progress software","product":"telerik ui for winforms"}],"references":[{"url":"https://www.telerik.com/products/winforms/documentation/knowledge-base/kb-security-untrusted-url-redirection-cve-2026-124700","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124700"},{"url":"https://github.com/advisories/GHSA-mj6m-6q3p-686m"}],"sources":{"cve":[{"id":"CVE-2026-124700","title":"URL Redirection to Untrusted Site in Progress Telerik UI for WinForms","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.","status":"published","published":"2026-11-12T17:21:46.348Z","modified":"2026-11-12T17:21:46.348Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-12T18:46:15.330302Z"}],"euvd":[{"id":"EUVD-2026-124563","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.","status":"published","published":"2026-11-12T17:21:46Z","modified":"2026-11-12T17:21:46Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-12T20:34:58.221926Z"}],"ghsa":[{"id":"GHSA-mj6m-6q3p-686m","title":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection...","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.","status":"published","published":"2026-11-12T18:31:53Z","modified":"2026-11-12T18:32:03Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-12T18:42:37.941061Z"}],"nvd":[{"id":"CVE-2026-124700","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.","status":"published","published":"2026-11-12T18:17:22.537Z","modified":"2026-11-12T19:02:35.83Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-12T19:32:19.894551Z"}]}}