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Product · expressjs

multer

7 known vulnerabilities.

multer at a glance

Last 12 months
3
Critical · all time
0
Exploited · all time
0
Public exploit · all time
2
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 2 vulnerabilities March 2026: 1 vulnerability Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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All Critical High Medium Low Exploited only Public exploit

7 results · Feed

  • High 8.7
    CVE-2026-3520

    Multer vulnerable to Denial of Service via uncontrolled recursion

    Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow. Users should upgrade…

    expressjs multer multer npm
  • High 8.7
    CVE-2026-3304 Public exploit

    Multer vulnerable to Denial of Service via incomplete cleanup

    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 up…

    expressjs multer multer npm
  • High 8.7
    CVE-2026-2359

    Multer vulnerable to Denial of Service via resource exhaustion

    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 dropping connection during file upload, potentially causing resource exhaustion. Use…

    expressjs multer multer npm
  • High 7.5
    CVE-2025-7338 Public exploit

    Multer vulnerable to Denial of Service via unhandled exception from malformed request

    Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload requ…

    expressjs multer multer npm
  • High 8.7
    CVE-2025-48997

    Multer vulnerable to Denial of Service via unhandled exception

    Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an emp…

    expressjs multer grafana-image-renderer multer Wolfi npm
  • High 7.5
    CVE-2025-47944

    Multer vulnerable to Denial of Service from maliciously crafted requests

    Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.0 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload requ…

    expressjs multer grafana-image-renderer multer Wolfi npm
  • High 7.5
    CVE-2025-47935

    Multer vulnerable to Denial of Service via memory leaks from unclosed streams

    Multer is a node.js middleware for handling `multipart/form-data`. Versions prior to 2.0.0 are vulnerable to a resource exhaustion and memory leak issue due to improper stream handling. When the HTTP request stream emits an error, the internal `busboy` stream…

    expressjs multer grafana-image-renderer multer Wolfi npm