CVE-2026-44126

N/A Unknown

Published: May 08, 2026 Modified: May 18, 2026

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.

AI Explanation

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: vulnerability@ncsc.ch

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

Source: vulnerability@ncsc.ch

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

0.5%

37th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-502

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