CVE-2026-29140

creationtimestamp| type| source ---|---|--- 2026-04-02 10:11:48+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3miixquho7j2g 2026-04-02 11:20:38+00:00| seen| Telegram/gqnqvxcLpfM-QzjKR2b1lJqF9lh4WXmMivWkzQg3SSVoSEI...

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 signatures...