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CVE-2026-2359

HIGH

7.5

Description

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 dropping connection during file upload, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/27/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

expressjs:multer

Weaknesses (CWE)

CWE-772

References

https://cna.openjsf.org/security-advisories.html(ce714d77-add3-4f53-aff5-83d477b104bb)

https://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adab(ce714d77-add3-4f53-aff5-83d477b104bb)

https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc(ce714d77-add3-4f53-aff5-83d477b104bb)

https://www.cve.org/CVERecord?id=CVE-2026-2359(ce714d77-add3-4f53-aff5-83d477b104bb)

IOC Correlations

No correlations recorded

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