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expressjs

13 known vulnerabilities.

expressjs at a glance

Last 12 months
3
Critical · all time
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Exploited · all time
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Public exploit · all time
3
New vulnerabilities per month · last 12 months
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13 results · Feed

  • High 8.7

    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…

  • 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…

  • High 8.7

    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…

  • 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…

  • High 8.7

    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…

  • High 7.5

    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…

  • High 7.5

    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…

  • Medium 4.7

    Open Redirect

    URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Express. This vulnerability affects the use of the Express Response object. This issue impacts Express: from 3.4.5 before 4.0.0.

  • High 8.7

    basic-auth-connect's callback uses time unsafe string comparison

    basic-auth-connect is Connect's Basic Auth middleware in its own module. basic-auth-connect < 1.1.0 uses a timing-unsafe equality comparison that can leak timing information. This issue has been fixed in basic-auth-connect 1.1.0.

  • High 7.5
    CVE-2024-45590 Public exploit

    body-parser vulnerable to denial of service when url encoding is enabled

    body-parser is Node.js body parsing middleware. body-parser <1.20.3 is vulnerable to denial of service when url encoding is enabled. A malicious actor using a specially crafted payload could flood the server with a large number of requests, resulting in denia…

  • Medium 5.0

    serve-static affected by template injection that can lead to XSS

    serve-static serves static files. serve-static passes untrusted user input - even after sanitizing it - to redirect() may execute untrusted code. This issue is patched in serve-static 1.16.0.

  • Medium 5.0

    express vulnerable to XSS via response.redirect()

    Express.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.

  • Medium 6.1

    Express.js Open Redirect in malformed URLs

    Express.js minimalist web framework for node. Versions of Express.js prior to 4.19.0 and all pre-release alpha and beta versions of 5.0 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a use…