What is CVE-2026-40018?

CVE-2026-40018 is a high-severity vulnerability in Open-Xchange Gmbh Ox Dovecot Ce, classified under SQL Injection. CVSS score: 7.4/10. Published 2026-08-28.

How severe is CVE-2026-40018?

High severity. CVSS v3 base score is 7.4 out of 10.

SQL Injection in Open-Xchange Gmbh Ox Dovecot Ce

CVE-2026-40018

None None None No publicly available exploits are known.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Open-xchange Gmbh Ox Dovecot Ce
Open-xchange Gmbh Ox Dovecot Pro

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security@open-xchange.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-40018?: CVE-2026-40018 is a high-severity vulnerability in Open-Xchange Gmbh Ox Dovecot Ce, classified under SQL Injection. CVSS score: 7.4/10. Published 2026-08-28.
How severe is CVE-2026-40018?: High severity. CVSS v3 base score is 7.4 out of 10.