CVE-2026-44129— Server-side template injection
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I. Basic Information for CVE-2026-44129
Vulnerability Information
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Vulnerability Title
Server-side template injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)
Vulnerability Title
SEPPmail Secure Email Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SEPPmail Secure Email Gateway是德国SEPPmail公司的一个电子邮件安全网关。 SEPPmail Secure Email Gateway 15.0.4之前版本存在安全漏洞，该漏洞源于新GINA UI中端点接受攻击者控制的模板，可能导致服务器端模板注入，远程攻击者执行任意模板表达式并可能实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SEPPmail AG | Secure Email Gateway | 0 ~ 15.0.4 | - |
II. Public POCs for CVE-2026-44129
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · SEPPmail AG · 2026-05-08 · 6 CVEs total
| CVE-2026-7864 | Exposure of Sensitive Information to an Unauthorized Actor | |
| CVE-2026-44127 | Local File Inclusion (LFI) and Arbitrary File Deletion | |
| CVE-2026-44125 | Missing Authorization in GINAv2 | |
| CVE-2026-44128 | Unauthenticated Remote Code Execution | |
| CVE-2026-44126 | Insecure deserialization |
IV. Related Vulnerabilities
Same product: Secure Email Gateway
Same weakness: CWE-1336
- CVE-2026-44916
OpenStack Ironic 安全漏洞 - CVE-2026-42203
LiteLLM: Server-Side Template Injection in /prompts/test end - CVE-2026-6984
AstrBotDevs AstrBot Dashboard API t2i.py create_template spe - CVE-2026-34587
Kirby has Server-Side Template Injection (SSTI) via double t - CVE-2026-40320
Giskard has an Unsandboxed Jinja2 Template Rendering in Conf
V. Comments for CVE-2026-44129
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