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Vulnerability · Published Aug 20, 2026 · Assigned by Kaspersky

CVE-2026-2334) Missing Server-Side File Extension Validation in vsDesk

Critical 9.4

In plain English

A critical-severity unrestricted file upload in vsDesk from vsDesk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.7%top 45.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the "Import via CSV" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application.  Apply patch from vendor https://vsdesk.ru/ . Versions 14.0402 and on have the patch.

Affected products (as reported)

VendorProductVersions
vsDesk vsDesk 14.0101

Weakness: CWE-434 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References