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Vulnerability DatabaseCVE-2025-7338

CVE-2025-7338: 
JavaScript vulnerability analysis and mitigation

Overview

Multer, a node.js middleware for handling multipart/form-data, contains a vulnerability (CVE-2025-7338) that affects versions from 1.4.4-lts.1 to versions prior to 2.0.2. The vulnerability was discovered and disclosed on July 17, 2025 (NVD, OpenJS).

Technical details

The vulnerability is characterized by an unhandled exception (CWE-248) that occurs when processing malformed multi-part upload requests. The issue has been assigned a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network accessibility, low attack complexity, and no required privileges or user interaction (NVD).

Impact

When exploited, this vulnerability can lead to a Denial of Service (DoS) condition by causing the process to crash when processing malformed multi-part upload requests. The impact is limited to availability, with no direct effect on confidentiality or integrity (GitHub Advisory).

Mitigation and workarounds

Users should upgrade to Multer version 2.0.2 which contains the patch for this vulnerability. No alternative workarounds are available (GitHub Advisory).

Additional resources

Source: This report was generated using AI

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