CVE-2026-21440NVD

Vulnerability Summary

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.

Severity Level

CRITICAL(9.2)

Published Date

Jan 2, 2026

Last Modified

Jan 8, 2026

Exploitation Status

????

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-22: Path Traversal ↗

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.

CVSS v4.0 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

External References

https://github.com/adonisjs/bodyparser/commit/143a16f35602be8561215611582211dec280cae6
https://github.com/adonisjs/bodyparser/commit/6795c0e3fa824ae275bbd992aae60609e96f0f03
https://github.com/adonisjs/bodyparser/releases/tag/v10.1.2
https://github.com/adonisjs/bodyparser/releases/tag/v11.0.0-next.6
https://github.com/adonisjs/core/security/advisories/GHSA-gvq6-hvvp-h34h

Critical Alert 1 Active Exploit Detected Today

CVE Watchtower

CVE-2026-21440NVD

Vulnerability Summary

External References