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

Quick assessment

Affected
adonisjs core
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AdonisJS Framework @adonisjs/core是AdonisJS Framework团队的一个全栈Web应用框架。 AdonisJS Framework @adonisjs/core 10.1.5之前版本和11.0.3之前版本存在输入验证错误漏洞，该漏洞源于嵌套多部分字段有效载荷如user.__proto__.polluted和constructor.prototype导致lodash _.set()创建普通中间对象并污染Object.prototype。

CVSS 8.6 · High EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
adonisjs core >= 10.1.3, < 10.1.5 affected
>= 11.0.0-next.9, < 11.0.3 affected
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I. Basic Information for CVE-2026-48795

Vulnerability Information
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Vulnerability Title
Incomplete fix for CVE-2026-25754 in @adonisjs/bodyparser
Source: CVE Program / CVE List V5
Vulnerability Description
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 plain intermediate objects and pollute Object.prototype. This issue is fixed in versions 10.1.5 and 11.0.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
AdonisJS Framework @adonisjs/core 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AdonisJS Framework @adonisjs/core是AdonisJS Framework团队的一个全栈Web应用框架。 AdonisJS Framework @adonisjs/core 10.1.5之前版本和11.0.3之前版本存在输入验证错误漏洞，该漏洞源于嵌套多部分字段有效载荷如user.__proto__.polluted和constructor.prototype导致lodash _.set()创建普通中间对象并污染Object.prototype。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
adonisjs core >= 10.1.3, < 10.1.5 -

II. Public POCs for CVE-2026-48795

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7801 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-48795

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Patches & Fixes for CVE-2026-48795 (3)

Vendor Advisories for CVE-2026-48795 (1)

Vendor Pages for CVE-2026-48795 (1)

IV. Related Vulnerabilities

Same product: core
Same vendor: adonisjs
Same weakness: CWE-1321

V. Comments for CVE-2026-48795

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