What is CVE-2026-105040?

CVE-2026-105040 is a high-severity vulnerability in Energizelab Nestjs Auth Service, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-10-15.

How severe is CVE-2026-105040?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Energizelab Nestjs Auth Service

CVE-2026-105040

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-15 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Energizelab Nestjs Auth Service — versions 1.8.2

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/xn0tsa/your-secrets-are-safe-with-me (technical-description)
takeonme.org/gcves/GCVE-1337-2026-000000000000000111111111111111111110000000000… (third-party-advisory)
www.theverge.com/tech/1010727/eiliko-robot-hack-energize-lab (media-coverage)

Frequently asked questions

What is CVE-2026-105040?: CVE-2026-105040 is a high-severity vulnerability in Energizelab Nestjs Auth Service, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-10-15.
How severe is CVE-2026-105040?: High severity. CVSS v3 base score is 8.8 out of 10.