CVE-2026-44126

Published: May 8, 2026

Modified: May 18, 2026

PUBLISHED

Description

SEPPmail Secure Email Gateway before version 15.0.4 insecurely deserializes untrusted data, which can be reached from the new GINA UI and may allow unauthenticated remote attackers to execute code via a crafted serialized object.

Vendor	Product	Versions
SEPPmail AG	Secure Email Gateway	affected `0 - < 15.0.4`

Weaknesses (CWE)

CWE-502

References

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security

https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/

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CVE-2026-44126

Description

Affected Products

Weaknesses (CWE)

References