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I. Basic Information for CVE-2026-40226
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不可信的源
Source: NVD (National Vulnerability Database)
Vulnerability Title
systemd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
systemd是德国Lennart Poettering个人开发者的一款基于Linux的系统和服务管理器。该产品兼容了SysV和LSB的启动脚本,且提供了一个用来表示系统服务间依赖关系的框架。 systemd 260之前版本存在安全漏洞,该漏洞源于nspawn处理特制可选配置文件不当,可能导致逃逸到主机。
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
systemdsystemd 233 ~ 260 -
II. Public POCs for CVE-2026-40226
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III. Intelligence Information for CVE-2026-40226
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IV. Related Vulnerabilities
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