---
id: CVE-2026-105040
title: EnergizeLab Eilik User-ID Mass Assignment Account Takeover
summary: >-
  The EnergizeLab Eilik NestJS auth service accepts a user-controlled user ID in
  account update requests (mass assignment). A registered user can set another
  account's identifier and take over that account.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-639
vendor: EnergizeLab
product: NestJS auth service
affected:
  - nestjs_auth_service 1.8.2
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T20:43:47.669Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-105040'
references:
  - url: 'https://github.com/xn0tsa/your-secrets-are-safe-with-me'
  - url: >-
      https://takeonme.org/gcves/GCVE-1337-2026-00000000000000011111111111111111111000000000000000000011111101001111111110000000000000000000011111111111111111111000000000000010100/
  - url: 'https://www.theverge.com/tech/1010727/eiliko-robot-hack-energize-lab'
tags:
  - cve.org
ingestedAt: '2026-10-15T21:45:11.427Z'
---

## Overview

The EnergizeLab Eilik NestJS auth service accepts a user-controlled user ID in account update requests (mass assignment). A registered user can set another account's identifier and take over that account.

## Affected

- `nestjs_auth_service 1.8.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.