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CVE-2025-48997

CVE-2025-48997 · Multer vulnerable to Denial of Service via unhandled exception

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 empty string field name. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to `2.0.1` to receive a patch. No known workarounds are available.

CVSS 8.7 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • multer

    Versions
    • >= 1.4.4-lts.1, < 2.0.1: Affected

    No fix published

  • multer npm

    Affected ranges
    • SEMVER: ≥ 1.4.4-lts.1, < 2.0.1

    Update to 2.0.1

Original sources

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