VDB
CVE-2026-40018
CVE-2026-40018
PUBLISHED
CVSS 7.4 HIGH
Reported by OX · Published August 28, 2026
None None None No publicly available exploits are known.
Risk Scores
CVSS 3.1
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open-Xchange GmbH | OX Dovecot Pro | 2.3.0 |
| Open-Xchange GmbH | OX Dovecot CE | 2.3.0 |
| Open-Xchange GmbH | OX Dovecot CE | 2.3.0 |
| Open-Xchange GmbH | OX Dovecot Pro | 2.3.0 |
Timeline
- Aug 28, 2026 Coalition ESS Score
- Aug 28, 2026 CVE Published
- Aug 28, 2026 CVE Updated
- Aug 29, 2026 EPSS Score
- Sep 1, 2026 Security Advisory
- Sep 5, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
- Sep 24, 2026 EPSS Score
- Sep 25, 2026 EPSS Score