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CVE-2026-120734

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.

在 Devolutions Server 2026.3.13.0 及更早版本中，电子邮件配置测试功能以明文传输敏感信息。这允许拥有测试操作权限的已认证用户，通过向攻击者控制的 SMTP 主机发起请求，从而获取存储的 SMTP 密码。

AI Predicted 6.4 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2026-120734

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cleartext transmission of sensitive information in the email configuration test in Devolutions Server 2026.3.13.0 and earlier allows an authenticated user with access to the test action to obtain the stored SMTP password via a request that names an attacker-controlled SMTP host.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Devolutions Server 0 ~ 2026.3.13.0 -

II. Public POCs for CVE-2026-120734

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-120734

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Other References for CVE-2026-120734 (1)

Same Patch Batch · Devolutions · 2026-11-03 · 6 CVEs total

CVE-2026-121580 Devolutions Server 2026.2.22.0 及更早版本 SSRF 漏洞
CVE-2026-120715 Devolutions Server 2026.3.12.0 及更早版本存在 SSRF 漏洞
CVE-2026-120733 Devolutions Server 2026.3.12.0 敏感信息明文存储漏洞
CVE-2026-120716 Devolutions Server 2026.3.13.0 敏感信息泄露漏洞
CVE-2026-119636 Devolutions Server 2025.3.2.0-2026.2.22.0 特权访问权限保留漏洞

IV. Related Vulnerabilities

Same product: Server
Same vendor: Devolutions
Same weakness: CWE-319