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I. Basic Information for CVE-2025-55195
Vulnerability Information

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Vulnerability Title
@std/toml Prototype Pollution in Node.js and Browser
Source: NVD (National Vulnerability Database)
Vulnerability Description
@std/toml is the Deno Standard Library. Prior to version 1.0.9, an attacker can pollute the prototype chain in Node.js runtime and Browser when parsing untrusted TOML data, thus achieving Prototype Pollution (PP) vulnerability. This is because the library is merging an untrusted object with an empty object, which by default the empty object has the prototype chain. This issue has been patched in version 1.0.9.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Deno Standard Library 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Deno Standard Library(std)是Deno开源的一个 Deno 标准库。 Deno Standard Library 1.0.9之前版本存在安全漏洞,该漏洞源于解析不受信任的TOML数据时可能导致原型污染。
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
denolandstd < 1.0.9 -
II. Public POCs for CVE-2025-55195
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III. Intelligence Information for CVE-2025-55195
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IV. Related Vulnerabilities
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