How to: CVE-2026-21440 (2026-01-02)
```
AdonisJS is a TypeScript-first web framework. A Path Traversal vulnerability in AdonisJS multipart file handling may allow a remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This impacts @adonisjs/bodyparser through version 10.1.1 and 11.x prerelease versions prior to 11.0.0-next.6. This issue has been patched in @adonisjs/bodyparser versions 10.1.2 and 11.0.0-next.6.
```
- [Ashwesker/Ashwesker-CVE-2026-21440](https://github.com/Ashwesker/Ashwesker-CVE-2026-21440)
- [you-ssef9/CVE-2026-21440](https://github.com/you-ssef9/CVE-2026-21440)
- [k0nnect/cve-2026-21440-writeup-poc](https://github.com/k0nnect/cve-2026-21440-writeup-poc)