CVE-2026-13183 — HIGH (7.5)

Q: How severe is CVE-2026-13183?

CVE-2026-13183 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-13183?

Check the references section above for vendor advisories and patch information. Affected products include: Progress Telerik Ui For Asp.Net Ajax.

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Progress	Telerik Ui For Asp.Net Ajax	>= 2010.1309, < 2026.2.708

Related Weaknesses (CWE)

CWE-208

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-secVendor AdvisoryMitigation

FAQ

What is CVE-2026-13183?

CVE-2026-13183 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 re...

How severe is CVE-2026-13183?

CVE-2026-13183 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13183?

Check the references section above for vendor advisories and patch information. Affected products include: Progress Telerik Ui For Asp.Net Ajax.