CVE-2026-3204 Details
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.
A vulnerability exists in Devolutions Server and Remote Desktop Manager in versions through 2025.3.30. This issue stems from improper input validation on the error message page, which allows remote attackers to spoof error messages by using a specially crafted URL. The vulnerability could be exploited for phishing attempts by displaying misleading error messages.
Users are advised to upgrade to Devolutions Server version 2025.3.16 or 2026.1. For Remote Desktop Manager, upgrade to version 2026.1.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://devolutions.net/security/advisories/DEVO-2026-0005 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| devolutions devolutions server | <= 2025.3.16.0 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 5, 2026 | Initial Analysis | [email protected] |
| Mar 4, 2026 | CVE Modified | [email protected] |
| Mar 4, 2026 | CVE Modified | CISA-ADP |
| Mar 3, 2026 | New CVE Received | [email protected] |