Improper
input validation in the error message page in Devolutions Server 2025.3.16 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL.

Published: 2026-03-03

CVSS: 9.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Download CVE-2026-3204 POC (Proof-of-Concept) here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

Check our portfolio:

https://dnacompany.com/poc-637-cve-2026-3148/

https://dnacompany.com/poc-461-cve-2026-2855/

https://dnacompany.com/poc-636-cve-2026-27744/

https://dnacompany.com/poc-516-cve-2026-2588/