In Progress® Telerik® UI for AJAX prior to v2026.2.708, RadAsyncUpload client-state processing can distinguish decrypt failures from invalid-JSON parse failures, creating an oracle that reveals protected metadata values to remote attackers.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NProgress Telerik Ui For Asp.net Ajax
APPProgress2010.1309 – 2026.2.708 (excl.)
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
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