CVE-2026-105040: CWE-639 Authorization Bypass Through User-Controlled Key in EnergizeLab NestJS auth service
Description
CVE-2026-105040 is a high-severity authorization bypass vulnerability in the EnergizeLab NestJS auth service version 1.8.2. It allows a registered user to manipulate the user ID in account update requests, enabling them to take over other user accounts by setting another account's identifier.
CVSS v3.1
Score 8.8high
Affected software
EnergizeLab
NestJS auth service
pkg:github/energizelab/nestjs-auth-serviceRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The EnergizeLab Eilik NestJS auth service suffers from an authorization bypass vulnerability (CWE-639) due to accepting a user-controlled user ID in account update requests (mass assignment). This flaw allows an authenticated user to specify a different account's identifier during updates, effectively taking over that account. The vulnerability is tracked as CVE-2026-105040 with a CVSS 3.1 score of 8.8, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker with valid credentials can escalate privileges by modifying the user ID parameter in account update requests, resulting in unauthorized access and control over other user accounts. This compromises user data confidentiality, integrity, and availability within the affected service.
Mitigation Recommendations
No official patch or remediation guidance is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, restrict access to the affected service and monitor for suspicious account update activities.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AHA
- Date Reserved
- 2026-10-02T21:30:55.242Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad13fdc2cdf04f6565c5632
Added to database: 10/15/2026, 21:04:28 UTC
Last enriched: 10/15/2026, 21:18:12 UTC
Last updated: 10/15/2026, 21:18:12 UTC
Views: 6
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