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OpenAdvisories
Critical · 9.2 CVE-2026-44126 EUVD-2026-28635GHSA-69wg-m4qc-c3qc

Insecure deserialization

Published May 8, 2026 · Updated May 18, 2026 · Assigned by NCSC.ch

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.

Affected products

VendorProductAffectedFixed
SEPPmail Secure Email Gateway < 15.0.4 15.0.4

References