Seppmail · Seppmail Secure Email Gateway · CVE-2026-29141
**Name of the Vulnerable Software and Affected Versions**
SEPPmail Secure Email Gateway versions prior to 15.0.3
**Description**
SEPPmail Secure Email Gateway versions prior to 15.0.3 are susceptible to a bypass of subject sanitization. This allows an attacker to forge tags, such as '[signed OK]', within the email subject.
**Recommendations**
Update SEPPmail Secure Email Gateway to version 15.0.3 or later.