cve-2026-21440-writeup-poc

cve-2026-21440 path traversal to arbitrary file write in @adonisjs/bodyparser overview a critical path traversal vulnerability exists in the @adonisjs/bodyparser package that allows remote attackers to write arbitrary files outside the intended upload directory. when the multipartfile.move functi...

Ashwesker-CVE-2026-21440

🚨 CVE-2026-21440 — Critical Security Vulnerability 🧩 Summary CVE-2026-21440 is a critical path traversal vulnerability affecting the AdonisJS framework, specifically its multipart file upload handling. ⚠️ If exploited, attackers can write files anywhere on the server , potentially leading to remot...

CVE-2026-21440

CVE-2026-21440 Advanced detection-only PoC for CVE-2026-21440 affecting AdonisJS BodyParser. No exploitation included. CVE-2026-21440 – AdonisJS Advanced Detection PoC Description This project provides an advanced detection-only Proof of Concept PoC for CVE-2026-21440 , a critical Path Traversal ...

CVE-2026-61526

AdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, the error.message is interpolated into the default HTML exception response without escaping, allowing a crafted missing-route URL to execute...

CVE-2026-61526 AdonisJS HTTP Server is vulnerable to reflected XSS through its exception handler

AdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, the error.message is interpolated into the default HTML exception response without escaping, allowing a crafted missing-route URL to execute...

CVE-2026-61526

AdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, the error.message is interpolated into the default HTML exception response without escaping, allowing a crafted missing-route URL to execute...

CVE-2026-61526

AdonisJS HTTP Server (AdonisJS framework) is vulnerable to an reflected XSS in its exception handling. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, error.message is interpolated into the default HTML exception response without escaping, enabling attacker-controlled JavaScript w...

CVE-2026-61526 AdonisJS HTTP Server is vulnerable to reflected XSS through its exception handler

AdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, the error.message is interpolated into the default HTML exception response without escaping, allowing a crafted missing-route URL to execute...

PT-2026-66595

Name of the Vulnerable Software and Affected Versions AdonisJS HTTP Server versions 8.0.0-next.0 through 8.2.0 AdonisJS HTTP Server versions 9.0.0 through 9.0.2 Description The default HTML renderer interpolates the error.message variable directly into the HTML exception response without proper...

CVE-2026-48795

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

CVE-2026-48795 Incomplete fix for CVE-2026-25754 in @adonisjs/bodyparser

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

CVE-2026-48795 Incomplete fix for CVE-2026-25754 in @adonisjs/bodyparser

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

CVE-2026-48795

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

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...

EUVD-2026-44822

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

CVE-2026-48795 Incomplete fix for CVE-2026-25754 in @adonisjs/bodyparser

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.proto.polluted and constructor.prototype still caused lodash .set via @poppinss/utils to create...

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 via the BodyParserMiddleware process. An attacker can modify the Object.prototype globally by sending specially...

@adonisjs/bodyparser has an incomplete fix for CVE-2026-25754

Summary The fix for GHSA-f5x2-vj4h-vg4c / CVE-2026-25754 introduced in commit 40e1c71 is incomplete and can be bypassed through nested prototype pollution payloads. The original patch replaced the internal FormFields storage object with Object.createnull, preventing direct payloads such as...

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...

CVE-2026-40255

AdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In @adonisjs/http-server versions prior to 7.8.1 and 8.0.0-next.0 through 8.1.3, and @adonisjs/core versions prior to 7.4.0, the response.redirect.back method reads the Referer header from the incoming HTTP...