OpenSSL vulnerability CVE-2025-15467
Information notice
Mailflow CH Instance
Mailflow EU Instance
CH Instance
EU Instance
SEPPmail Appliances
Appliance Release Info
Updates
Information
February 4, 2026 · 09:43 CET
The OpenSSL vulnerability CVE-2025-15467 also partially affects SEPPmail solutions.
Status of vulnerability mitigation SEPPmail Appliance
A patch release is currently in testing and will be released in the coming days. MSPs, partners and customers are advised to apply the update as soon as available.
We want to point out that the previous appliance release contains fixes for other security findings, and we urge MSPs, partners and customers to update as soon as possible.
Status of vulnerability mitigation seppmail.cloud
A patch has been tested and put into production. No action is needed by partners and customers.
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