cve-2026-21440-writeup-poc

cve-2026-21440 @adonisjs/bodyparser におけるパストラバーサルによる任意ファイル書き込み 概要 @adonisjs/bodyparser パッケージには、リモート攻撃者が意図したアップロードディレクトリの外部に任意のファイルを書き込むことができる深刻なパストラバーサル脆弱性が存在します。multipartfile.move 関数がサニタイズされたファイル名を明示的に指定せずに呼び出されると、パーサーはクライアントから提供されたファイル名を適切なサニタイズなしにデフォルトで使用します。 実装が path.join を使用し、options.overwrit...

CVE-2026-21440

CVE-2026-21440 PoC avanzato solo di rilevamento per CVE-2026-21440 che interessa AdonisJS BodyParser. Nessuno sfruttamento incluso. CVE-2026-21440 – PoC di rilevamento avanzato per AdonisJS Descrizione Questo progetto fornisce un Proof of Concept PoC avanzato solo di rilevamento per CVE-2026-2144...

CVE-2026-48795

Summary (CVE-2026-48795): AdonisJS’s bodyparser (/@adonisjs/bodyparser) has an incomplete fix for CVE-2026-25754 in certain pre-release ranges. The issue arises in nested multipart/form-data payloads (for example involving proto or constructor.prototype) that allow lodash _.set() through @poppins...

PT-2026-54440

Name of the Vulnerable Software and Affected Versions AdonisJS versions 10.1.3 through 10.1.4 AdonisJS versions 11.0.0-next.9 through 11.0.2 Description An incomplete fix in the @adonisjs/bodyparser module allows for prototype pollution via nested multipart field payloads. While direct payloads a...

Allocation of Resources Without Limits or Throttling

Overview @adonisjs/bodyparser is a BodyParser middleware for AdonisJS http server to read and parse request body Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the PartHandler class, during file type detection. An attacker can cause...

Prototype Pollution

Overview @adonisjs/bodyparser is a BodyParser middleware for AdonisJS http server to read and parse request body Affected versions of this package are vulnerable to Prototype Pollution when parsing form field data from non-JSON, non-URL-encoded multipart requests, in formfields.ts. due to...

GHSA-F5X2-VJ4H-VG4C AdonisJS multipart body parsing has Prototype Pollution issue

Description A Prototype Pollution vulnerability CWE-1321 in AdonisJS multipart form-data parsing may allow a remote attacker to manipulate object prototypes at runtime. This impacts @adonisjs/bodyparser through version 10.1.2 and 11.x prerelease versions prior to 11.0.0-next.8. This issue has bee...

PT-2026-6857

Description A Prototype Pollution vulnerability CWE-1321 in AdonisJS multipart form-data parsing may allow a remote attacker to manipulate object prototypes at runtime. This impacts @adonisjs/bodyparser through version 10.1.2 and 11.x prerelease versions prior to 11.0.0-next.8. This issue has bee...

Critical AdonisJS Bodyparser Flaw (CVSS 9.2) Enables Arbitrary File Write on Servers

Users of the "@adonisjs/bodyparser" npm package are being advised to update to the latest version following the disclosure of a critical security vulnerability that, if successfully exploited, could allow a remote attacker to write arbitrary files on the server. Tracked as CVE-2026-21440 CVSS...

Exploit for CVE-2026-21440

CVE-2026-21440 Advanced detection-only PoC for CVE-2026-21440...

CVE-2026-21440

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...