CVE-2026-29144: Unicode Subject Tags
Published Apr 2, 2026
·Updated
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.
Affected Software
2 affected components
SEPPmail SEPPmail Secure Email Gateway<15.0.3
SEPPmail Secure Email Gateway<15.0.3
Event History
Apr 2, 2026
CVE Published
via MITRE·08:50 AM
Data Sourced
via MITRE·08:50 AM
DescriptionWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-29144?
CVE-2026-29144 has been assessed with a high severity due to the potential for unauthorized access and manipulation of email subject tags.
2
How do I fix CVE-2026-29144?
To fix CVE-2026-29144, upgrade the SEPPmail Secure Email Gateway to version 15.0.3 or later.
3
What vulnerability does CVE-2026-29144 address?
CVE-2026-29144 addresses a vulnerability that allows attackers to bypass subject sanitization and forge security tags using Unicode lookalike characters.
4
Who is affected by CVE-2026-29144?
All versions of SEPPmail Secure Email Gateway prior to 15.0.3 are affected by CVE-2026-29144.
5
What systems are impacted by CVE-2026-29144?
CVE-2026-29144 impacts the SEPPmail Secure Email Gateway software before version 15.0.3.