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I. Basic Information for CVE-2026-27837
Vulnerability Information

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Vulnerability Title
Dottie vulnerable to prototype pollution bypass via non-first path segments in set() and transform()
Source: NVD (National Vulnerability Database)
Vulnerability Description
Dottie provides nested object access and manipulation in JavaScript. Versions 2.0.4 through 2.0.6 contain an incomplete fix for CVE-2023-26132. The prototype pollution guard introduced in commit `7d3aee1` only validates the first segment of a dot-separated path, allowing an attacker to bypass the protection by placing `__proto__` at any position other than the first. Both `dottie.set()` and `dottie.transform()` are affected. Version 2.0.7 contains an updated fix to address the residual vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
dottie 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dottie是Mick Hansen个人开发者的一款应用程序,可以轻松查找嵌套键。 dottie 2.0.4版本至2.0.6版本存在安全漏洞,该漏洞源于原型污染保护不完整,可能导致绕过保护。
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
VendorProductAffected VersionsCPESubscribe
mickhansendottie.js >= 2.0.4, < 2.0.7 -
II. Public POCs for CVE-2026-27837
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III. Intelligence Information for CVE-2026-27837
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