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I. Basic Information for CVE-2025-55201
Vulnerability Information

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Vulnerability Title
Copier safe template has arbitrary filesystem read/write access
Source: NVD (National Vulnerability Database)
Vulnerability Description
Copier library and CLI app for rendering project templates. Prior to 9.9.1, a safe template can currently read and write arbitrary files because Copier exposes a few pathlib.Path objects in the Jinja context which have unconstrained I/O methods. This effectively renders the security model w.r.t. filesystem access useless. This vulnerability is fixed in 9.9.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Copier 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Copier是Copier开源的一个用于渲染项目模板的库。 Copier 9.9.1之前版本存在路径遍历漏洞,该漏洞源于模板可读写任意文件,可能导致文件系统访问绕过。
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
copier-orgcopier < 9.9.1 -
II. Public POCs for CVE-2025-55201
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III. Intelligence Information for CVE-2025-55201
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