What is GHSA-69wg-m4qc-c3qc?

GHSA-69wg-m4qc-c3qc is a security advisory published by GitHub Security Advisories with Critical severity. SEPPmail Secure Email Gateway before version 15.0.4 insecurely deserializes untrusted data, which...

Which CVE IDs does GHSA-69wg-m4qc-c3qc cover?

GHSA-69wg-m4qc-c3qc covers the following CVE IDs: CVE-2026-44126. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-69wg-m4qc-c3qcCritical

SEPPmail Secure Email Gateway before version 15.0.4 insecurely deserializes untrusted data, which...

Vendor

GitHub Security Advisories

Published

May 8, 2026

Last Modified

May 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-44126 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-44126
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
https://github.com/advisories/GHSA-69wg-m4qc-c3qc