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Vulnerabilities

CVE-2026-3304

Medium
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 request
CWE-459 — Weakness Type
Published: Feb 27, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
🔗 NVD Official
📄 Description (English)

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

🤖 AI Executive Summary

Multer versions prior to 2.1.0 contain a Denial of Service vulnerability triggered by malformed multipart/form-data requests, causing resource exhaustion. Saudi organizations using vulnerable Multer versions in Node.js applications should upgrade immediately to patch this DoS risk.

📄 Description (Arabic)

تؤثر هذه الثغرة على Multer وهي مكتبة Node.js شهيرة لمعالجة تحميل الملفات. يمكن للمهاجمين إرسال طلبات multipart/form-data معيبة لاستنزاف موارد الخادم وتسبب حجب الخدمة. الترقية إلى الإصدار 2.1.0 تصحح هذه المشكلة بشكل كامل.

🤖 ملخص تنفيذي (AI)

إصدارات Multer السابقة للإصدار 2.1.0 تحتوي على ثغرة حجب الخدمة التي يتم تفعيلها من خلال طلبات multipart/form-data معيبة، مما يسبب استنزاف الموارد. يجب على المنظمات السعودية التي تستخدم إصدارات Multer الضعيفة في تطبيقات Node.js الترقية فوراً لتصحيح هذا الخطر.

🤖 AI Intelligence Analysis Analyzed: May 30, 2026 07:37
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Multer to version 2.1.0 or later immediately. Implement request size limits and timeouts in your Node.js application. Monitor server resource usage for unusual patterns. Apply Web Application Firewall (WAF) rules to detect and block malformed multipart requests.
🔧 خطوات المعالجة (العربية)
قم بترقية Multer إلى الإصدار 2.1.0 أو أحدث فوراً. طبق حدود حجم الطلب والمهل الزمنية في تطبيق Node.js الخاص بك. راقب استخدام موارد الخادم للأنماط غير العادية. طبق قواعد جدار الحماية لتطبيقات الويب لكشف وحجب طلبات multipart المعيبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A1 A2
🔵 SAMA CSF
ID.BE-5 PR.IP-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1
📋 Quick Facts
Severity Medium
CVSS Score
CWECWE-459
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-02-27
Source Feed nvd
Views 6
🇸🇦 Saudi Risk Score
6.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-459
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