PT-2026-22895

CVE-2026-2748

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Published

2026-03-04

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Updated

2026-03-04

Description by

CVSS 4.0
7.8
High
MetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N
Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.1
Description The SEPPmail Secure Email Gateway does not properly validate S/MIME certificates for email addresses that contain whitespaces, which can lead to signature spoofing.
Recommendations Update to version 15.0.1 or later.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-295: Improper Certificate Validation
Related identifiers
CVE-2026-2748
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