CVE-2026-41140— Poetry: Path traversal in tar extraction on Python 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4
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I. Basic Information for CVE-2026-41140
Vulnerability Information
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Vulnerability Title
Poetry: Path traversal in tar extraction on Python 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4
Source: NVD (National Vulnerability Database)
Vulnerability Description
Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall() function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.data_filter is unavailable. Considering only Python versions which are still supported by Poetry, these are 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4. This vulnerability is fixed in 2.3.4.
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
Poetry 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Poetry是Poetry开源的一款Python中用于依赖管理和打包的工具。 Poetry 2.3.4之前版本存在路径遍历漏洞，该漏洞源于extractall函数在tarfile.data_filter不可用的Python版本上提取sdist tarball时缺乏路径遍历保护。
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 |
|---|---|---|---|---|
| python-poetry | poetry | < 2.3.4 | - |
II. Public POCs for CVE-2026-41140
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|---|
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