CVE-2026-13187: In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler provider type input may be tampered with, potentially altering dialog processing and enabling chained exploita

Details

Source

NVD Recent CVEs (US · database · site)

Severity

high — CVSS 8.1

Published

2026-07-22

Last updated

2026-07-24

Exploitation

Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13187

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-131870.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.

Referenced CVEs

Recent advisories for In Progress® Telerik®

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• mediumCVE-2026-14932: In Progress® Telerik® UI for AJAX prior to v2026.2.708, the obsolete RadChart component's Char…nvd · 2026-07-22
• mediumCVE-2026-14865: In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control pro…nvd · 2026-07-22
• mediumCVE-2026-13192: In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of content sub…nvd · 2026-07-22
• highCVE-2026-13190: In Progress® Telerik® UI for AJAX prior to v2026.2.708, a deserialization vulnerability in the…nvd · 2026-07-22
• highCVE-2026-13189: In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of the languag…nvd · 2026-07-22
• mediumCVE-2026-13188: In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may b…nvd · 2026-07-22

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