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I. Basic Information for CVE-2026-3304
Vulnerability Information

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Vulnerability Title
Multer vulnerable to Denial of Service via incomplete cleanup
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
清理环节不完整
Source: NVD (National Vulnerability Database)
Vulnerability Title
Multer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Multer是expressjs开源的一个用于Node.js中间件。 Multer 2.1.0之前版本存在安全漏洞,该漏洞源于处理特制请求不当,可能导致拒绝服务。
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
expressjsmulter 0.0.0 ~ 2.1.0 -
II. Public POCs for CVE-2026-3304
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III. Intelligence Information for CVE-2026-3304
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