CVE-2026-19219CWE-345CWE-434unrestricted-file-upload

CVE-2026-19219

High · published September 2, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

In Progress® Telerik® UI for AJAX prior to v2026.3.812, insufficient integrity protection of dialog request parameters used by the RadEditor file browser may allow an attacker who has obtained certain application encryption key material to alter the folders the file browser reads from, writes to, and uploads into, potentially resulting in remote code execution.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00157 · 4.5th percentile
Weaknesses
CWE-345 · Insufficient Verification of Data Authenticity; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-09-02T15:17Z
References (1)
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-uploadpaths-tampering-cve-2026-19219 · [email protected]
EPSS history
Timeline
  • 04 SEP 03:38Z
    EPSS moved — → 0%
    epss
  • 02 SEP 10:35Z
    DialogHandler UploadPaths Tampering Vulnerability in Telerik UI for ASP.NET AJAX
    cvelistv5