CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.
CVE
CVE-2026-29143
Severity
CRITICAL
CVSS
9.1
EPSS
0.25%
Original NVD Description
SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers.
Related CVEs
Other vulnerabilities affecting the same vendor(s)