Is CVE-2026-13183 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13183?

CVE-2026-13183 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-13183

Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, RadAsyncUpload upload metadata processing may leak cryptographic validity through measurable timing differences, enabling remote attackers to recover protected metadata values.