CVE-2026-7864

Medium

Description

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.

SeverityMedium
CVSS6.9
Exploit probability—
ProductSecure Email Gateway
PublishedMay 8, 2026
First seenMay 8, 2026
Weakness typeCWE-497CWE-497

How to fix

Update
  • SEPPmail AG Secure Email Gateway15.0.4 or later

Affected products

ProductAffected versionsFixed in
SEPPmail AG Secure Email Gatewayv < 15.0.415.0.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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