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I. Basic Information for CVE-2026-27606
Vulnerability Information

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Vulnerability Title
Rollup 4 has Arbitrary File Write via Path Traversal
Source: NVD (National Vulnerability Database)
Vulnerability Description
Rollup is a module bundler for JavaScript. Versions prior to 2.80.0, 3.30.0, and 4.59.0 of the Rollup module bundler (specifically v4.x and present in current source) is vulnerable to an Arbitrary File Write via Path Traversal. Insecure file name sanitization in the core engine allows an attacker to control output filenames (e.g., via CLI named inputs, manual chunk aliases, or malicious plugins) and use traversal sequences (`../`) to overwrite files anywhere on the host filesystem that the build process has permissions for. This can lead to persistent Remote Code Execution (RCE) by overwriting critical system or user configuration files. Versions 2.80.0, 3.30.0, and 4.59.0 contain a patch for the issue.
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
Rollup 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rollup是Rollup开源的一个 JavaScript 的模块打包器。 Rollup 2.80.0之前版本、3.30.0之前版本和4.59.0之前版本存在路径遍历漏洞,该漏洞源于核心引擎中的文件名清理不当,可能导致通过路径遍历实现任意文件写入和远程代码执行。
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
rolluprollup < 2.80.0 -
II. Public POCs for CVE-2026-27606
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III. Intelligence Information for CVE-2026-27606
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