| Package | Affected versions | Patched versions |
|---|---|---|
| telerik ui for asp.net ajax | ≥ 2010.1309, < 2026.2.708 | 2026.2.708 |
In Progress® Telerik® UI for AJAX prior to v2026.2.708, when Telerik.Upload.ConfigurationHashKey is absent and machineKey is not explicitly configured, upload metadata integrity protection may fall back to a predictable default key, enabling attackers to forge protected upload metadata and unlock further exploit chains.
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