CVE-2026-3520 (GCVE-0-2026-3520)

Vulnerability from cvelistv5 – Published: 2026-03-04 16:17 – Updated: 2026-06-30 12:09
VLAI
Title
Multer vulnerable to Denial of Service via uncontrolled recursion
Summary
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 to version 2.1.1 to receive a patch. No known workarounds are available.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-674 - Uncontrolled Recursion
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Credits
Yuki Matsuhashi Chris de Almeida Ulises Gascón
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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