What is CVE-2026-33616?

CVE-2026-33616 is a high-severity vulnerability in Mb Connect Line Mbconnect24, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-04-02.

How severe is CVE-2026-33616?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Mb Connect Line Mbconnect24

CVE-2026-33616

An unauthenticated remote attacker can exploit an unauthenticated blind SQL Injection vulnerability in the mb24api endpoint due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

Vulnerability class: SQL Injection

Published 2026-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002

Affected products

Mb Connect Line Mbconnect24 — versions 0.0.0
Mb Connect Line Mymbconnect24 — versions 0.0.0
Mbconnectline Mbconnect24
Mbconnectline Mymbconnect24

Weakness classification (CWE)

CWE-89 — SQL Injection

References

certvde.com/de/advisories/VDE-2026-030 (vendor-advisory, Third Party Advisory)
mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-030.json (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33616?: CVE-2026-33616 is a high-severity vulnerability in Mb Connect Line Mbconnect24, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-04-02.
How severe is CVE-2026-33616?: High severity. CVSS v3 base score is 7.5 out of 10.