CVE-2026-44126— Insecure deserialization
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I. Basic Information for CVE-2026-44126
Vulnerability Information
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Vulnerability Title
Insecure deserialization
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
SEPPmail Secure Email Gateway 代码问题漏洞
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之前版本存在代码问题漏洞，该漏洞源于不安全地反序列化不可信数据，可能导致未经身份验证的远程攻击者通过特制序列化对象执行代码。
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-2026-44126
| # | 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-2026-44129 | Server-side template injection |
IV. Related Vulnerabilities
Same product: Secure Email Gateway
Same vendor: SEPPmail AG
Same weakness: CWE-502
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MindsDB Pickle pickle.loads deserialization - CVE-2026-7647
Profile Builder Pro <= 3.14.5 - Unauthenticated PHP Object I
V. Comments for CVE-2026-44126
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