CVE-2026-44129: Server-side template injection
SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and potentially achieve remote code execution depending on the enabled template plugins.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-44129?
CVE-2026-44129 is rated as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2026-44129?
To fix CVE-2026-44129, upgrade the SEPPmail Secure Email Gateway to version 15.0.4 or later.
What type of vulnerability is CVE-2026-44129?
CVE-2026-44129 is a server-side template injection vulnerability.
What could an attacker do with CVE-2026-44129?
An attacker exploiting CVE-2026-44129 could execute arbitrary template expressions on the server.
In which versions of SEPPmail Secure Email Gateway is CVE-2026-44129 present?
CVE-2026-44129 affects SEPPmail Secure Email Gateway versions prior to 15.0.4.