CVE & CISA-KEV Catalog

CVE-2026-3304

HIGH
7.5
CVSS v3
NVD

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 sending malformed requests, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

CWE-459

How to fix

Remediation Available
registry.redhat.io/rhdh/rhdhRed Hat / RHEL
Fixed in:hub-rhel9@sha256:2e8ed97c6e6d232f66bb81dc074b8bb2712dc54004cc565fcb1d2b43a9bb2046_amd64RHSA-2026:6174
Fixed in:rhel9-operator@sha256:72d72d0e8b67012bfaaeae0e1fbbcf8e35c74d4d6252051eabef3e9dd979d48e_amd64RHSA-2026:6174
Fixed in:operator-bundle@sha256:400d642f10348a0728a624b135228714b3302f1cabc096150a340407133c54e7_amd64RHSA-2026:6174
Fixed in:hub-rhel9@sha256:5e564d74dd0a96027d9283991bda32a13b87384a9c9572456ce318dfac7e9f7d_amd64RHSA-2026:6802
Fixed in:rhel9-operator@sha256:4e4ab9dd3243274e6f378553e241ae8b9fdeed7fe2daaa7efb34f60ee46a2eef_amd64RHSA-2026:6802
Fixed in:operator-bundle@sha256:6d52fc14afcaa18b7a09607fcdc34edf3b222030aa69cc91612a38191aca41aa_amd64RHSA-2026:6802
registry.redhat.io/rhdh/rhdhRocky
Fixed in:hub-rhel9@sha256:2e8ed97c6e6d232f66bb81dc074b8bb2712dc54004cc565fcb1d2b43a9bb2046_amd64RHSA-2026:6174
Fixed in:rhel9-operator@sha256:72d72d0e8b67012bfaaeae0e1fbbcf8e35c74d4d6252051eabef3e9dd979d48e_amd64RHSA-2026:6174
Fixed in:operator-bundle@sha256:400d642f10348a0728a624b135228714b3302f1cabc096150a340407133c54e7_amd64RHSA-2026:6174
Fixed in:hub-rhel9@sha256:5e564d74dd0a96027d9283991bda32a13b87384a9c9572456ce318dfac7e9f7d_amd64RHSA-2026:6802
Fixed in:rhel9-operator@sha256:4e4ab9dd3243274e6f378553e241ae8b9fdeed7fe2daaa7efb34f60ee46a2eef_amd64RHSA-2026:6802
Fixed in:operator-bundle@sha256:6d52fc14afcaa18b7a09607fcdc34edf3b222030aa69cc91612a38191aca41aa_amd64RHSA-2026:6802

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.66%probability of exploitation in 30 days
48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory1
VDB Entry1

Related Vulnerabilities

Other CWE-459 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-17090High7.582%-Fix
CVE-2021-39327Medium5.372%--
CVE-2025-31650High7.568%-Fix
CVE-2022-1552High8.812%-Fix
CVE-2018-18924High8.89.5%--
CVE-2022-21125Medium5.56.5%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-15.