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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Progress Software | Telerik UI for ASP.NET AJAX | unaffected |
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History
Wed, 22 Jul 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | RadAsyncUpload Client-State Decrypt-vs-Parse Oracle Vulnerability in Telerik UI for ASP.NET AJAX | |
| Weaknesses | CWE-209 | |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: ProgressSoftware
Published:
Updated: 2026-07-22T13:34:57.272Z
Reserved: 2026-06-24T13:46:37.358Z
Link: CVE-2026-13182
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