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TI-2026-11194 Aliases CVE-2026-13183GHSA-c5xq-jjwj-x369

RadAsyncUpload Upload Metadata Timing Oracle Vulnerability in Telerik UI for ASP.NET AJAX

Priority LOW 39CWE-208Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-208.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00498 42nd percentileScored 2026-11-07
Fix Fixed Telerik UI for ASP.NET AJAX (Progress Software): 2026.2.708

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ProgressTelerik UI for ASP.NET AJAX2010.1.309 to before 2026.2.7082026.2.708Patch availableCNA
  • Telerik UI for ASP.NET AJAX VendorProgress Affected 2010.1.309 to before 2026.2.708 Fixed in 2026.2.708 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*2010.1309 to before 2026.2.708VulnerableProgress
  • cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:* Versions 2010.1309 to before 2026.2.708 Vulnerable ·Progress

Remediation

  • Fix · CNA Telerik UI for ASP.NET AJAX (Progress Software) Fixed in 2026.2.708

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Progress Software Telerik UI for ASP.NET AJAX 2026.2.708

    13 records Highest priority Priority LOW 13 LOW

    Other records, highest priority first

    • TI-2026-11200 SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAXPriority LOW 39
    • TI-2026-11197 AppDataStorageProvider Path Traversal Deserialization Vulnerability in Telerik UI for ASP.NET AJAXPriority LOW 39
    • TI-2026-11195 RadAsyncUpload Default HMAC Key Fallback Vulnerability in Telerik UI for ASP.NET AJAXPriority LOW 39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13183
  2. 2026-10-03 Alias added: GHSA-c5xq-jjwj-x369

References

  • TI-2017-08395 Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-03167 Unsafe Reflection Vulnerability in Telerik UI for ASP.NET AJAX CVSS 3.1HIGH 7.5
  • TI-2019-14262 Path traversal in RadChart in Telerik UI for ASP.NET AJAX allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2021-09372 An issue was discovered in Progress Telerik UI for ASP.NET AJAX 2021.1.224. CVSS 3.1CRITICAL 9.8
  • TI-2026-05284 Deserialization of Untrusted Data Vulnerability in Telerik UI for ASP.NET AJAX CVSS 3.1CRITICAL 9.8
  • TI-2014-01755 Absolute path traversal vulnerability in the RadAsyncUpload control in the RadControls in… CVSS 2.0HIGH 7.5
See all 20 →

Sources