Skip to main content
HIGH

CVE-2025-7338

Multer vulnerable to Denial of Service via unhandled exception from malformed request

CVSS v3

7.5

HIGH

EPSS Score

0.8 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

none

SSVC status

Get an alert for each new CVE published for multer.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • multernpmfrom 1.4.4-lts.1 · fixed in 2.0.2

Vendor advisories

  • CVE-2025-7338 Red Hat Product Security2 products fixed · 1 known affected

    multer: Multer Denial of Service

    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless

  • RHSA-2025:14767 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Developer Hub 1.6.4 release.

  • RHSA-2025:14090 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Developer Hub 1.7.0 release.

Full record on NVD

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 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.2 to receive a patch. No known workarounds are available.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2025-07-17
Last Modified
2026-04-15

Frequently asked questions

What is CVE-2025-7338?

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 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.2 to receive a patch. No known workarounds are available.

Is CVE-2025-7338 actively exploited?

Active exploitation of CVE-2025-7338 has not been confirmed. Its EPSS score was 0.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-7338?

CVE-2025-7338 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running multer? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this productCISA KEV additions, October 2026Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database