CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-2878

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 7.9%

CVSS Severity

CVSS v3 Score 5.3

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-insufficient-entropy-cve-2026-2878

Products affected by CVE-2026-2878

Progress » Telerik Ui For Asp.net Ajax » Version: N/A

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.1.315

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.1315

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.1413

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.1519

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.2712

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.2915

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.3.1305

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Progress » Telerik Ui For Asp.net Ajax » Version: 2011.31115

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.1.215

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.1.411

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.2.607

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.2.724

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.2.912

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.3.1016

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.3.1205

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Progress » Telerik Ui For Asp.net Ajax » Version: 2012.3.1308

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.1.220

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.1.403

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.1.417

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.2.611

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.2.717

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.3.1015

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.3.1114

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Progress » Telerik Ui For Asp.net Ajax » Version: 2013.3.1324

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.1.225

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.1.403

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.2.618

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.2.724

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.3.1024

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Progress » Telerik Ui For Asp.net Ajax » Version: 2014.3.1209

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.1.204

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.1.225

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.2.604

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.2.623

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.2.729

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.2.826

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.3.1111

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Progress » Telerik Ui For Asp.net Ajax » Version: 2015.3.930

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.1.113

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.1.225

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.2.504

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.2.607

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.3.1018

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.3.1027

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Progress » Telerik Ui For Asp.net Ajax » Version: 2016.3.914

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.1.118

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.1.228

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.2.503

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.2.621

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.2.711

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Progress » Telerik Ui For Asp.net Ajax » Version: 2017.3.913

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Progress » Telerik Ui For Asp.net Ajax » Version: 2018.1.117

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Progress » Telerik Ui For Asp.net Ajax » Version: 2018.2.516

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Progress » Telerik Ui For Asp.net Ajax » Version: 2018.2.710

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Progress » Telerik Ui For Asp.net Ajax » Version: 2018.3.910

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Progress » Telerik Ui For Asp.net Ajax » Version: 2019.1.115

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Progress » Telerik Ui For Asp.net Ajax » Version: 2019.1.215

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Progress » Telerik Ui For Asp.net Ajax » Version: 2019.2.514

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Progress » Telerik Ui For Asp.net Ajax » Version: 2019.3.1023

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Progress » Telerik Ui For Asp.net Ajax » Version: 2019.3.917

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.1.114

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.1.219

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.2.5112

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.2.617

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.3.1021

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Progress » Telerik Ui For Asp.net Ajax » Version: 2020.3.915

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.1.119

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.1.224

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.1.330

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.2.511

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.2.616

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.3.1111

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Progress » Telerik Ui For Asp.net Ajax » Version: 2021.3.914

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.1.119

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.1.302

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.2.511

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.2.622

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.3.1109

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Progress » Telerik Ui For Asp.net Ajax » Version: 2022.3.913

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.1.117

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.1.314

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.1.323

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.2.606

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.2.714

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Progress » Telerik Ui For Asp.net Ajax » Version: 2023.3.1010

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Progress » Telerik Ui For Asp.net Ajax » Version: 2024.1.131

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Progress » Telerik Ui For Asp.net Ajax » Version: 2024.2.513

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Progress » Telerik Ui For Asp.net Ajax » Version: 2024.3.805

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Progress » Telerik Ui For Asp.net Ajax » Version: 2024.4.1113

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Progress » Telerik Ui For Asp.net Ajax » Version: 2024.4.1114

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.1.211

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.1.218

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.1.416

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.2.520

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.2.528

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Progress » Telerik Ui For Asp.net Ajax » Version: 2025.2.609

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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-2878

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