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4462 articles · 179493 vulns · 37/41 feeds (7d)
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5.9
CVE-2026-13188PATCHED
progress · telerik ui for asp.net ajax

DialogHandler Parameters Tampering Vulnerability in Telerik UI for ASP.NET AJAX

Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.

Affected Products

VendorProductVersions
progresstelerik ui for asp.net ajax2011.2.712

References

  • https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-parameters-tampering-CVE-2026-13188(vendor-advisory)

Related News (1 articles)

Tier C
VulDB6h ago
CVE-2026-13188 | Progress Telerik UI for ASP.NET AJAX up to 2026.2.707 DialogHandler input validation
→ No new info (linked only)
CVSS 3.15.9 MEDIUM
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA KEV❌ No
Actively exploited❌ No
Patch available
2026.2.708
CWECWE-345
PublishedJul 22, 2026
Last enriched6h agov2
Trending Score30
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

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XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX
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HIGHCVE-2026-13189
SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAX
Trending: 30
HIGHCVE-2026-13190
PersistenceFramework Unsafe Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX
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HIGHCVE-2026-13181
RadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX
Trending: 30

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 22, 2026
Discovered by ZDM
Jul 22, 2026
Updated: severity, cvssEstimate, affectedVersions, cweIds
Jul 22, 2026
Patch Available
Jul 22, 2026

Version History

v2
Last enriched 6h ago
v2Tier C6h ago

Updated severity from MEDIUM to CRITICAL, adjusted CVSS to 9.0, extended affected versions to include 2026.2.707, and added CWE-20 (improper input validation) based on article classification.

severitycvssEstimateaffectedVersionscweIds
via VulDB
v16h ago

Initial creation