CVE-2026-2334 ) Missing Server-Side File Extension Validation in vsDesk
An authenticated administrator can upload arbitrary files via CSV import due to missing server-side validation, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2334?
CVE-2026-2334 is a critical vulnerability in vsDesk, published on 20 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2026-2334?
How do I fix CVE-2026-2334?
No fix has been published for CVE-2026-2334 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2334 being exploited?
There is no known exploitation of CVE-2026-2334 in the wild and no public exploit code.
Sources
Also known as GHSA-cxgp-6h9c-hfpc.