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CVE-2026-49103

AI Predicted 9.8 Difficulty: Trivial EPSS 0.05% · P16

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
WebminWebmin< 2.640affected
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I. Basic Information for CVE-2026-49103

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
路径遍历：’../filedir’
Source: NVD (National Vulnerability Database)
Vulnerability Title
Webmin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Webmin是Webmin社区的一套基于Web的用于类Unix操作系统中的系统管理工具。 Webmin 2.640之前版本存在安全漏洞，该漏洞源于mailboxes组件中mailboxes/detachall.cgi未安全构建附件保存文件名。
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

VendorProductAffected VersionsCPESubscribe
WebminWebmin 0 ~ 2.640 -

II. Public POCs for CVE-2026-49103

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III. Intelligence Information for CVE-2026-49103

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Patches & Fixes for CVE-2026-49103 (2)

IV. Related Vulnerabilities

Same product: Webmin
Same vendor: Webmin
Same weakness: CWE-24

V. Comments for CVE-2026-49103

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