AdonisJS Path Traversal in Multipart File Handling_CVE-2026-21440

9.2 / 10

CRITICAL

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Description

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.

AI Analysis

Path Traversal vulnerability in AdonisJS multipart file handling

Basic Information

ID CVE-2026-21440

Source GitHub_M

Published Jan 2, 2026 at 19:02

Affected Product

Vendor adonisjs

Product core

Version < 10.1.2

Affected Versions adonisjs core < 10.1.2
adonisjs core >= 11.0.0-next.0, < 11.0.0-next.6

CWE Classification

CWE-22

AI Assessment

AI Score 9.2 / 10

AI Severity Critical

Vendor AdonisJS

Product @adonisjs/bodyparser

Version < 10.1.2, 11.x prerelease versions prior to 11.0.0-next.6

References

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    "published": "2026-01-02T19:02:18.393Z",
    "modified": "2026-01-02T19:02:18.393Z",
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