cvedb.io
CVE-2026-29140
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2026-04-02T09:16:22.623 · Last modified 2026-06-17T10:29:41.433

Summary

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.

Affected products

seppmail — secure_email_gateway

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.