CVE-2026-3204

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CVSS 3.1

9.8 critical

EPSS

<1%p43

Published

Mar 3, 2026 (Mar 3, 2026)

Modified

Jun 17, 2026

Description

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.

Vendors: devolutions
Products: devolutions server
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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