SQL Injection in Helmholz Myrex24v2
CVE-2026-40836
An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the inmessage model due to improper neutralization of special elements in a SQL DELETE command allowing for reading the whole database and deleting entries in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Helmholz Myrex24v2 — versions 0.0.0, 2.20.0
- Helmholz Myrex24v2.virtual — versions 0.0.0, 2.20.0
- Mb Connect Line Mbconnect24 — versions 0.0.0, 2.20.0
- Mb Connect Line Mymbconnect24 — versions 0.0.0, 2.20.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-40836?
- CVE-2026-40836 is a high-severity vulnerability in Helmholz Myrex24v2, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-05-27.
- How severe is CVE-2026-40836?
- High severity. CVSS v3 base score is 7.1 out of 10.