CVE-2025-48997 Security Details

CVE ID

CVE-2025-48997

CWE

CWE-248

CVE Description

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.

Published

Jun 4, 2025

CVSS Score & Severity

8.7High

CVSS Vector

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

EPSS Score

0.249%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

anon{10,17,a77b15c,f}()

JSVulnerable params: 0

makeMiddleware()

JSVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

https://github.com/expressjs/multer/security/advisories/GHSA-g5hg-p3ph-g8qgPROJECT