Vulnerability Details CVE-2026-2748
SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.0%
CVSS Severity
CVSS v3 Score 5.3
References