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I. Basic Information for CVE-2026-29786
Vulnerability Information

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Vulnerability Title
node-tar: Hardlink Path Traversal via Drive-Relative Linkpath
Source: NVD (National Vulnerability Database)
Vulnerability Description
node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.
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
node-tar 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
node-tar是isaacs个人开发者的一款用于文件压缩/解压缩的软件包。 node-tar 7.5.10之前版本存在后置链接漏洞,该漏洞源于可被诱骗创建指向提取目录外的硬链接,可能导致文件覆盖。
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
isaacsnode-tar < 7.5.10 -
II. Public POCs for CVE-2026-29786
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III. Intelligence Information for CVE-2026-29786
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IV. Related Vulnerabilities
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