Express-FileUpload Arbitrary File Overwrite
An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the same name, causing an overwrite of files in the web application server. This vulnerability is debated by the package author.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | express-fileupload | <= 1.3.1 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-27261
- https://github.com/richardgirges/express-fileupload/issues/312
- https://github.com/richardgirges/express-fileupload/issues/316
- https://github.com/richardgirges/express-fileupload
- https://www.npmjs.com/package/express-fileupload
- https://www.youtube.com/watch?v=3ROHB3ck4tA
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-434- Platform
- npm
- Package
express-fileupload- Disclosed
- 13.04.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-w4m6-x6c2-j5c9 - CC BY 4.0
Vulnerability history: express-fileupload
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 08.2020 04.2022
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Low 1
Disclosures per year
- 2020: 2
- 2021: 0
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Express-FileUpload Arbitrary File Overwrite this entry
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