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CVE-2026-2359GHSA-V52C-386H-88MC

Multer vulnerable to Denial of Service via resource exhaustion

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.1.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • expressjs multer

    From 0.0.0 · fixed in 2.1.0

  • multernpm

    fixed in 2.1.0

References 4

GitHub · expressjs/multer

cve.org

cna.openjsf.org