Vulnerability Report

CVE-2026-13183

Title: Timing Attack in Telerik RadAsyncUpload

Input Validation Error

Proof Of Concept

PoC Available for CVE-2026-13183

CWE Category CWE-208

Published Date Jul 22, 2026

Modified Date Aug 06, 2026

Exploit Status Available

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

0.44%

Vulnerability Summary

CVE-2026-13183: 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.

Impacted Vendors

progress 1

Reference Links

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-timing-oracle-CVE-2026-13183

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-13183 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/HORKimhab/CVE-2026-13181-CVE-2026-13182-CVE-2026-13183-CVE-2026-13184

View Code

August 06, 2026 MODIFIED

Vulnerability data updated via NVD.

July 22, 2026 MODIFIED

Vulnerability data updated via NVD.

July 22, 2026 MODIFIED

Vulnerability data updated via NVD.

July 22, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.