PatchSiren cyber security CVE debrief

CVE-2026-10731 Nemon CVE debrief

CVE-2026-10731 is a critical SQL injection vulnerability with a CVSS score of 9.3. The vulnerability exists in the 'two_steps_auth_code' parameter processed by the 'twoStepsAuthVerification' function within the '/user-login' endpoint. This endpoint's two-factor authentication (2FA) functionality can be accessed without prior authentication, allowing unauthenticated attackers to execute arbitrary SQL queries on the backend database. A successful exploit could lead to database enumeration, the unauthorized creation of privileged users, modification or deletion of critical information, and denial-of-service conditions.

Vendor: Nemon
Product: Nemon Trade Energy
CVSS: CRITICAL 9.3
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-09
Advisory published: 2026-06-09
Advisory updated: 2026-06-09

Who should care

Administrators and security teams responsible for the affected systems should prioritize patching this vulnerability to prevent potential attacks.

Technical summary

The vulnerability is caused by a lack of proper input validation in the 'two_steps_auth_code' parameter. Attackers can exploit this by sending crafted SQL queries to the '/user-login' endpoint, potentially leading to severe consequences.

Defensive priority

High

Recommended defensive actions

Apply patches or updates provided by the vendor as soon as possible.
Implement additional security measures such as Web Application Firewalls (WAFs) to detect and prevent SQL injection attacks.
Regularly monitor the affected systems for suspicious activity.

Evidence notes

The CVE record and NVD detail pages provide official information about the vulnerability. Additional information can be found at [ref-4](https://www.incibe.es/en/incibe-cert/notices/aviso/sql-injection-nemon-products).

Official resources

CVE-2026-10731 was published on 2026-06-09T10:16:42.820Z and modified on 2026-06-09T13:51:18.770Z.