Vulnerability Details CVE-2026-3304
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.1%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-3304
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cpe:2.3:a:expressjs:multer:1.0.0
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cpe:2.3:a:expressjs:multer:1.0.1
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cpe:2.3:a:expressjs:multer:1.0.2
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cpe:2.3:a:expressjs:multer:1.0.3
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cpe:2.3:a:expressjs:multer:1.0.4
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cpe:2.3:a:expressjs:multer:1.0.5
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cpe:2.3:a:expressjs:multer:1.0.6
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cpe:2.3:a:expressjs:multer:1.1.0
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cpe:2.3:a:expressjs:multer:1.2.0
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cpe:2.3:a:expressjs:multer:1.2.1
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cpe:2.3:a:expressjs:multer:1.3.0
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cpe:2.3:a:expressjs:multer:1.3.1
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cpe:2.3:a:expressjs:multer:1.4.0
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cpe:2.3:a:expressjs:multer:1.4.1
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cpe:2.3:a:expressjs:multer:1.4.2
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cpe:2.3:a:expressjs:multer:1.4.3
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cpe:2.3:a:expressjs:multer:1.4.4
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cpe:2.3:a:expressjs:multer:1.4.5
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cpe:2.3:a:expressjs:multer:2.0.0
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cpe:2.3:a:expressjs:multer:2.0.1
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cpe:2.3:a:expressjs:multer:2.0.2