{"id":"CVE-2026-124701","aliases":["EUVD-2026-124340","GHSA-2gpg-hj59-w97r"],"status":"published","title":"Deserialization of Untrusted Data in Progress Telerik UI for WinForms","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.","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-502"],"published":"2026-11-12T10:45:53Z","modified":"2026-11-12T12:31:40Z","products":[{"vendor":"progress software","product":"telerik ui for winforms"}],"references":[{"url":"https://www.telerik.com/products/winforms/documentation/knowledge-base/kb-security-deserialization-of-untrusted-data-cve-2026-124701","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124701"},{"url":"https://github.com/advisories/GHSA-2gpg-hj59-w97r"}],"sources":{"cve":[{"id":"CVE-2026-124701","title":"Deserialization of Untrusted Data in Progress Telerik UI for WinForms","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.","status":"published","published":"2026-11-12T10:45:53.345Z","modified":"2026-11-12T10:45:53.345Z","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-502"],"updated_at":"2026-11-12T11:41:48.134576Z"}],"euvd":[{"id":"EUVD-2026-124340","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.","status":"published","published":"2026-11-12T10:45:53Z","modified":"2026-11-12T10:45:53Z","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":"2026-11-12T14:33:51.925862Z"}],"ghsa":[{"id":"GHSA-2gpg-hj59-w97r","title":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data...","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.","status":"published","published":"2026-11-12T12:31:36Z","modified":"2026-11-12T12:31:40Z","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-502"],"updated_at":"2026-11-12T12:41:04.410575Z"}],"nvd":[{"id":"CVE-2026-124701","description":"In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.","status":"published","published":"2026-11-12T11:17:10.473Z","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-502"],"updated_at":"2026-11-12T13:31:11.73784Z"}]}}