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SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.
Metrics
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Switzerland Government Common Vulnerability Program: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 Types: Vendor Advisory
Switzerland Government Common Vulnerability Program: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 Types: Release Notes
Initial Analysis by NIST4/16/2026 2:57:30 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Added
CPE Configuration
OR
*cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:* versions up to (excluding) 15.0.3
Added
Reference Type
Switzerland Government Common Vulnerability Program: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 Types: Vendor Advisory
New CVE Received from Switzerland Government Common Vulnerability Program4/02/2026 5:16:23 AM
Action
Type
Old Value
New Value
Added
Description
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.
CVE Dictionary Entry: CVE-2026-29144 NVD
Published Date: 04/02/2026 NVD
Last Modified: 06/17/2026
Source: Switzerland Government Common Vulnerability Program