CVE-2025-48997

highpriority · track · 0EPSS 0.004 · 38 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.44% (38th) EPSS

CVSS 8.7 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

8.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security-advisories@github.com

v4.06.6mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-248USCWE-248US

affected products (8)

Products and version ranges known to be affected.

HCL BigFix WebUIall versionscert_bundDEcpe:/a:hcltech:bigfix:webui
IBM App Connect Enterpriseall versionscert_bundDEcpe:/a:ibm:app_connect_enterprise:-
IBM App Connect Enterprise Certified Container Operator <12.0.13 LTSall versionscert_bundDE
IBM App Connect Enterprise Certified Container Operator <12.13.0 CDall versionscert_bundDE
IBM App Connect Enterprise≤ Certified Container Operator <12.0.13 LTScert_bundDE
IBM App Connect Enterprise≤ Certified Container Operator <12.13.0 CDcert_bundDE
expressjs multer1.4.4-lts.1, → 2.0.1enisa_euvdEU
npm multer1.4.4-lts.1 → 2.0.1osvUSpkg:npm/multer

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1420IBM App Connect Enterprise: Mehrere SchwachstellenDeutsch2025-06-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM App Connect Enterprise ausnutzen, um Dateien zu manipulieren, und um einen Denial of Service Angriff durchzuführen.
GHSA-g5hg-p3ph-g8qgMulter vulnerable to Denial of Service via unhandled exception2025-06-05ghsa · osvUS
### Impact A vulnerability in Multer versions >=1.4.4-lts.1, <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. ### Patches Users should upgrade to `2.0.1` ### Workarounds None ### References https://github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef11088587635e9 https://github.com/expressjs/multer/issues/1233 https://github.com/expressjs/multer/pull/1256

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2025-06-03modified 2026-06-17

references (14)

External citations — patches, advisories, analysis.

scry

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