Vulnerability · Published May 27, 2026 · Assigned by CERTVDE
CVE-2026-40810Unauthenticated SQLi in userinfo Endpoint
High 7.5
In plain English
A high-severity SQL injection in myREX24V2 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the userinfo endpoint due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbCONNECT24 | 0.0.0 – through 2.20.0 |
| MB connect line | mymbCONNECT24 | 0.0.0 – through 2.20.0 |
| MB connect line | mbCONNECT24 | 2.20.0 |
| MB connect line | mymbCONNECT24 | 2.20.0 |
| Helmholz | myREX24V2 | 0.0.0 – through 2.20.0 |
| Helmholz | myREX24V2.virtual | 0.0.0 – through 2.20.0 |
| Helmholz | myREX24V2 | 2.20.0 |
| Helmholz | myREX24V2.virtual | 2.20.0 |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N