CVE-2026-3204

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-3204
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://devolutions.net/security/advisories/DEVO-2026-0005 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
History

05 Mar 2026, 15:04

Type Values Removed Values Added
First Time Devolutions
Devolutions devolutions Server
CPE cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
References () https://devolutions.net/security/advisories/DEVO-2026-0005 - () https://devolutions.net/security/advisories/DEVO-2026-0005 - Vendor Advisory

04 Mar 2026, 17:16

Type Values Removed Values Added
Summary (en) Improper input validation in the error message page in Devolutions Server 2025.3.15 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL. (en) 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.

04 Mar 2026, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

03 Mar 2026, 22:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-03 22:16

Updated : 2026-03-05 15:04

NVD link : CVE-2026-3204

Mitre link : CVE-2026-3204

CVE.ORG link : CVE-2026-3204

JSON object : View

Products Affected

devolutions

  • devolutions_server
CWE
CWE-20

Improper Input Validation