High severity7.5NVD Advisory· Published Mar 4, 2026· Updated Jun 17, 2026
CVE-2026-27443
CVE-2026-27443
Description
SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3<15.0.1+ 1 more
- (no CPE)range: <15.0.1
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
1- downloads.seppmail.com/extrelnotes/150/ERN15.0.htmlnvdVendor Advisory
News mentions
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