Prototype Pollution in Adonisjs Core
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.prot…
Vulnerability class: Prototype Pollution
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
- Adonisjs Core — versions >= 10.1.3, < 10.1.5, >= 11.0.0-next.9, < 11.0.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-48795?
- CVE-2026-48795 is a high-severity vulnerability in Adonisjs Core, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.6/10. Published 2026-07-15.
- How severe is CVE-2026-48795?
- High severity. CVSS v3 base score is 8.6 out of 10.