CVE catalog
CVE-2026-29140
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 signa
- Severity
- High · CVSS 7.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | secure_email_gateway | Not reported | 15.0.3 | fixed |
| Cpe | secure_email_gateway | Not reported | 15.0.3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | secure_email_gateway | cpe | Not reported | 15.0.3 | Not reported | Not reported | Not reported |
| Cpe | secure_email_gateway | cpe | Not reported | 15.0.3 | Not reported | NVD-CVE-2026-29140 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: