CVE-2026-27444— Header Email Address Parsing
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I. Basic Information for CVE-2026-27444
Vulnerability Information
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Vulnerability Title
Header Email Address Parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
解释冲突
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 15.0.1之前版本存在安全漏洞，该漏洞源于错误解释电子邮件标头中的电子邮件地址，导致与其他邮件基础设施的解释冲突，可能允许攻击者伪造电子邮件来源或解密电子邮件。
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 | Secure Email Gateway | 0 ~ 15.0.1 | - |
II. Public POCs for CVE-2026-27444
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · SEPPmail · 2026-03-04 · 8 CVEs total
| CVE-2026-27441 | PDF Password CMDi | |
| CVE-2026-27442 | zip_attachments Path Traversal | |
| CVE-2026-27443 | S/MIME Decryption Tag Sanitization Bypass | |
| CVE-2026-27445 | PGP Signature Reflection | |
| CVE-2026-2748 | S/MIME Certificate Subject Whitespace | |
| CVE-2026-2746 | Missing PGP Signature Tag | |
| CVE-2026-2747 | PGP Mixed Plaintext and Encrypted Content |
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V. Comments for CVE-2026-27444
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