Critical severity9.1NVD Advisory· Published Apr 2, 2026· Updated Apr 16, 2026
CVE-2026-29143
CVE-2026-29143
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- downloads.seppmail.com/extrelnotes/150/ERN15.0.htmlnvdRelease Notes
News mentions
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