๐Ÿ›ก๏ธ CVE-2026-29143
๐Ÿ”ด CVSS 9.1 โ€” Critical โœ… No Known Exploit CWE-20 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-20
Public Exploit โœ… No
Source NVD
Published 2026-04-02
Updated 2026-06-02
Modified 2026-04-16
Fix URL N/A

Affected Packages

Software From version Fixed in
secure-email-gateway โ€” 15.0.3

Similar Threats

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