HIGH 7.5

GHSA-fjgf-rc76-4x9p

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

Details

### Impact

A vulnerability in Multer versions >= 1.4.4-lts.1, < 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed request. This request causes an unhandled exception, leading to a crash of the process.

### Patches

Users should upgrade to `2.0.2`

### Workarounds

None

Are you affected?

Enter the version of the package you're using.

Affected packages

npm / multer

Introduced in: 1.4.4-lts.1 Fixed in: 2.0.2

Fix npm install multer@2.0.2

References

https://github.com/expressjs/multer/security/advisories/GHSA-fjgf-rc76-4x9p [WEB]
https://nvd.nist.gov/vuln/detail/CVE-2025-7338 [ADVISORY]
https://github.com/expressjs/multer/commit/adfeaf669f0e7fe953eab191a762164a452d143b [WEB]
https://cna.openjsf.org/security-advisories.html [WEB]
https://github.com/expressjs/multer [PACKAGE]