CVE-2026-29140
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be u
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be used for future encryption to a victim by adding the certificates to S/MIME signatures.
MEDIUM · CVSS 5.3
EPSS 0.00023
Schedule remediation
- SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0
YARA rules0