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.
History

Fri, 27 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Feb 2026 15:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*

Thu, 26 Feb 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Progress
Progress telerik Ui For Asp.net Ajax
Vendors & Products Progress
Progress telerik Ui For Asp.net Ajax

Wed, 25 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Insufficient Entropy Vulnerability in Telerik UI for ASP.NET AJAX
Weaknesses CWE-331
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ProgressSoftware

Published:

Updated: 2026-02-27T17:06:16.616Z

Reserved: 2026-02-20T16:20:51.770Z

Link: CVE-2026-2878

cve-icon Vulnrichment

Updated: 2026-02-27T17:06:13.052Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-25T15:20:54.293

Modified: 2026-02-26T15:23:31.757

Link: CVE-2026-2878

cve-icon Redhat

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