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CVE-2026-3204

Quick assessment

Affected
Devolutions Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Devolutions Server是加拿大Devolutions公司的一个应用系统。提供功能齐全的共享帐户和密码管理解决方案。 Devolutions Server 2025.3.15及之前版本存在安全漏洞，该漏洞源于错误消息页面存在输入验证不当，可能导致远程攻击者通过特制URL伪造显示的错误消息。

AI Predicted 5.3 Difficulty: Easy EPSS 0.65% · P49

Possible ATT&CK Techniques 1 AI

T1588.003 · Code Signing Certificates
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I. Basic Information for CVE-2026-3204

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Devolutions Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Devolutions Server是加拿大Devolutions公司的一个应用系统。提供功能齐全的共享帐户和密码管理解决方案。 Devolutions Server 2025.3.15及之前版本存在安全漏洞，该漏洞源于错误消息页面存在输入验证不当，可能导致远程攻击者通过特制URL伪造显示的错误消息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Devolutions Server 0 ~ 2025.3.16 -

II. Public POCs for CVE-2026-3204

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-3204

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Vendor Advisories for CVE-2026-3204 (1)

Same Patch Batch · Devolutions · 2026-03-03 · 4 CVEs total

CVE-2026-3130 Devolutions Server 安全漏洞
CVE-2026-2590 Devolutions Remote Desktop Manager 安全漏洞
CVE-2026-3224 Devolutions Server 安全漏洞

IV. Related Vulnerabilities

Same product: Server
Same vendor: Devolutions
Same weakness: CWE-20

V. Comments for CVE-2026-3204

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