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I. Basic Information for CVE-2026-3449
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Versions of the package @tootallnate/once before 3.0.1 are vulnerable to Incorrect Control Flow Scoping in promise resolving when AbortSignal option is used. The Promise remains in a permanently pending state after the signal is aborted, causing any await or .then() usage to hang indefinitely. This can cause a control-flow leak that can lead to stalled requests, blocked workers, or degraded application availability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
控制流范围控制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
@tootallnate/once 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
@tootallnate/once是Nathan Rajlich个人开发者的一个JavaScript代码库。 @tootallnate/once 3.0.1之前版本存在安全漏洞,该漏洞源于使用AbortSignal选项时,Promise解析存在控制流作用域错误,信号中止后Promise保持永久挂起状态,导致任何await或.then()使用无限期挂起,这可能引起控制流泄漏,导致请求停滞、工作线程阻塞或应用程序可用性降低。
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
-@tootallnate/once 0 ~ 3.0.1 -
II. Public POCs for CVE-2026-3449
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III. Intelligence Information for CVE-2026-3449
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IV. Related Vulnerabilities
V. Comments for CVE-2026-3449

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