Telerik Ui For Asp.Net Ajax CVE-2026-2878
MEDIUM
Insufficient Entropy (CWE-331)
2026-02-25
security@progress.com
5.3
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 25, 2026 - 15:20 nvd
MEDIUM 5.3
DescriptionNVD
In Progress® Telerik® UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering.
AnalysisAI
Telerik Ui For Asp.Net Ajax versions up to 2026.1.225 contains a vulnerability that allows attackers to collisions and file content tampering (CVSS 5.3).
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
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