CVE-2026-29134: GINA Domain Switch
Published Apr 2, 2026
·Updated
SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.
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·08:29 AM
Data Sourced
via MITRE·08:29 AM
DescriptionWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-29134?
CVE-2026-29134 is considered a high severity vulnerability due to its potential for bypassing domain restrictions.
2
How do I fix CVE-2026-29134?
To fix CVE-2026-29134, upgrade the SEPPmail Secure Email Gateway to version 15.0.3 or later.
3
What is the impact of CVE-2026-29134?
The impact of CVE-2026-29134 allows an external user to modify domain metadata, which could lead to unauthorized access.
4
Which versions of SEPPmail Secure Email Gateway are affected by CVE-2026-29134?
Versions of SEPPmail Secure Email Gateway prior to 15.0.3 are affected by CVE-2026-29134.
5
Who can be affected by CVE-2026-29134?
Organizations using versions of SEPPmail Secure Email Gateway below 15.0.3 may be affected by CVE-2026-29134.