High severity · published Oct 15, 2026
CVE-2026-105040
EnergizeLab Eilik User-ID Mass Assignment Account Takeover
8.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
NestJS auth service · EnergizeLab
1.8.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105040
github.com
https://github.com/xn0tsa/your-secrets-are-safe-with-me
takeonme.org
https://takeonme.org/gcves/GCVE-1337-2026-00000000000000011111111111111111111000000000000000000011111101001111111110000000000000000000011111111111111111111000000000000010100/
www.theverge.com
https://www.theverge.com/tech/1010727/eiliko-robot-hack-energize-lab
More from NestJS auth service
8.2
CVE-2026-105034
EnergizeLab Eilik Unauthenticated Device-Token Issuance for Arbitrary Serial Numbers