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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865 Vendor Advisory, Mitigation
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · progressNVD modified 2026-10-24 13:10
Affected (CPE criteria) 1
cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*