What is CVE-2025-7338?

CVE-2025-7338 is a high-severity vulnerability in Expressjs Multer, classified under CWE-248. CVSS score: 7.5/10. Published 2025-07-17.

How severe is CVE-2025-7338?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-7338 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Expressjs Multer

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 mu…

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Expressjs Multer — versions 1.4.4-lts.1

Weakness classification (CWE)

CWE-248

Public proof-of-concept exploits

r2c-CSE/multer-sca-rule-test_cve-2025-7338

References

Frequently asked questions

What is CVE-2025-7338?: CVE-2025-7338 is a high-severity vulnerability in Expressjs Multer, classified under CWE-248. CVSS score: 7.5/10. Published 2025-07-17.
How severe is CVE-2025-7338?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-7338 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.