CVE-2026-29141

Medium

Description

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

SeverityMedium
CVSS5.3
Exploit probability—
ProductSeppmail Secure Email Gateway
PublishedApr 2, 2026
First seenApr 2, 2026

How to fix

Update
  • seppmail secure_email_gateway15.0.3 or later

Affected products

ProductAffected versionsFixed in
seppmail secure_email_gatewayv < 15.0.315.0.3

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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