GHSA-5528-5vmv-3xc2

Suggest an improvement
Source
https://github.com/advisories/GHSA-5528-5vmv-3xc2
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-5528-5vmv-3xc2/GHSA-5528-5vmv-3xc2.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-5528-5vmv-3xc2
Aliases
Downstream
Related
Published
2026-03-05T00:27:50Z
Modified
2026-03-06T23:43:55.105849Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
Multer Vulnerable to Denial of Service via Uncontrolled Recursion
Details

Impact

A vulnerability in Multer versions < 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow.

Patches

Users should upgrade to 2.1.1

Workarounds

None

Resources

  • https://github.com/expressjs/multer/security/advisories/GHSA-5528-5vmv-3xc2
  • https://www.cve.org/CVERecord?id=CVE-2026-3520
  • https://github.com/expressjs/multer/commit/7e66481f8b2e6c54b982b34c152479e096ce2752
  • https://cna.openjsf.org/security-advisories.html
Database specific 
{
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-05T00:27:50Z",
    "cwe_ids": [
        "CWE-674"
    ],
    "severity": "HIGH",
    "nvd_published_at": "2026-03-04T17:16:22Z"
}
References

Affected packages

npm / multer

Package

Name
multer
View open source insights on deps.dev
Purl
pkg:npm/multer

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-5528-5vmv-3xc2/GHSA-5528-5vmv-3xc2.json"