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CVE-2026-3304

29
FAUCET Score

CVE-2026-3304 is a high-severity Denial of Service vulnerability

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.0CPE matchmatch criteria
cpe:2.3:a:expressjs:multer:*:*:*:*:*:node.js:*:*
>= 0.0.0, < 2.1.0CPE match
cpe:2.3:a:expressjs:multer:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

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/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:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
48.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 24th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: multerFixed in: 2.1.0

Vendor Advisories (1)

npmGHSA-xf7r-hgr6-v32phigh

Multer vulnerable to Denial of Service via incomplete cleanup

Mar 1, 2026

References

access.redhat.com / errata/RHSA-2026:6174
access.redhat.com / errata/RHSA-2026:6802
access.redhat.com / security/cve/CVE-2026-3304
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-3304.json
cna.openjsf.org / security-advisories.html
Vendor Advisory
github.com / expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee
Patch
github.com / expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p
PatchVendor Advisory
cve.org / CVERecord
VDB Entry