What is CVE-2026-13182?

CVE-2026-13182 is a high-severity vulnerability in Progress Software Telerik Ui For Asp.net Ajax, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 7.5/10. Published 2026-07-22.

How severe is CVE-2026-13182?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Progress Software Telerik Ui For Asp.net Ajax

CVE-2026-13182

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Progress Software Telerik Ui For Asp.net Ajax — versions 2010.1.309

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

security@progress.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-13182?: CVE-2026-13182 is a high-severity vulnerability in Progress Software Telerik Ui For Asp.net Ajax, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 7.5/10. Published 2026-07-22.
How severe is CVE-2026-13182?: High severity. CVSS v3 base score is 7.5 out of 10.