{"id":"CVE-2026-14865","aliases":["EUVD-2026-47698","GHSA-8qxm-qvqw-xx9r"],"status":"published","title":"XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX","description":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00432,"percentile":0.37758,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-776"],"published":"2026-07-22T13:45:21Z","modified":"2026-10-24T13:10:00Z","products":[{"vendor":"progress","product":"telerik_ui_for_asp.net_ajax"},{"vendor":"progress software","product":"telerik ui for asp.net ajax"}],"references":[{"url":"https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865","tags":["vendor-advisory","Vendor Advisory","Mitigation"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14865"},{"url":"https://github.com/advisories/GHSA-8qxm-qvqw-xx9r"}],"sources":{"cve":[{"id":"CVE-2026-14865","title":"XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX","description":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.","status":"published","published":"2026-07-22T13:45:21.227Z","modified":"2026-07-22T19:10:08.695Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-47698","description":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.","status":"published","published":"2026-07-22T13:45:21Z","modified":"2026-07-22T19:10:08Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T18:19:44.868793Z"}],"ghsa":[{"id":"GHSA-8qxm-qvqw-xx9r","title":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control...","description":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.","status":"published","published":"2026-07-22T15:31:23Z","modified":"2026-07-22T15:31:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T15:09:38.678188Z"}],"nvd":[{"id":"CVE-2026-14865","description":"In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.","status":"published","published":"2026-07-22T14:17:15.163Z","modified":"2026-10-24T13:10:00.147Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:12:32.089897Z"}]}}