CVE-2026-41493— yard: Possible arbitrary path traversal and file access via yard server
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I. Basic Information for CVE-2026-41493
Vulnerability Information
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Vulnerability Title
yard: Possible arbitrary path traversal and file access via yard server
Source: NVD (National Vulnerability Database)
Vulnerability Description
YARD is a Ruby Documentation tool. Prior to version 0.9.42, a path traversal vulnerability was discovered in YARD when using yard server to serve documentation. This bug would allow unsanitized HTTP requests to access arbitrary files on the machine of a yard server host under certain conditions. This issue has been patched in version 0.9.42.
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
YARD 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YARD是Loren Segal个人开发者的一款Ruby文档生成工具。 YARD 0.9.42之前版本存在路径遍历漏洞，该漏洞源于使用yard server时存在路径遍历，可能导致未清理的HTTP请求访问任意文件。
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
II. Public POCs for CVE-2026-41493
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- Release Release v0.9.42 · lsegal/yard · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-41493
IV. Related Vulnerabilities
Same weakness: CWE-22
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V. Comments for CVE-2026-41493
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