An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to…
Priority LOW 36CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434.
Summary
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.
Why it matters now
EPSS 0.01381 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | express-fileupload (npm) | up to 1.3.1 | — | No fix listed | GHSA-w4m6-x6c2-j5c9 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- express-fileupload (npm) Vendor— Affected up to 1.3.1 Fixed in — No fix listed GHSA-w4m6-x6c2-j5c9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:express-fileupload_project:express-fileupload:1.3.1:*:*:*:*:node.js:*:* | 1.3.1 | Vulnerable | Express-fileupload Project |
- cpe:2.3:a:express-fileupload_project:express-fileupload:1.3.1:*:*:*:*:node.js:*:* Versions 1.3.1 Vulnerable ·Express-fileupload Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-27261
- 2026-10-03 Alias added: GHSA-w4m6-x6c2-j5c9
References
Advisory 2
More Express-fileupload Project Express-fileupload vulnerabilities
- TI-2020-06219 Prototype pollution in express-fileupload CVSS 3.1CRITICAL 9.8
- TI-2022-10278 An arbitrary file upload vulnerability in the file upload module of express-fileupload… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-27261 · CVE Program
- CVE-2022-27261 · NVD
- FIRST EPSS
- GHSA-w4m6-x6c2-j5c9 · GitHub Advisory Database · CC BY 4.0
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