CVE-2026-2747— PGP Mixed Plaintext and Encrypted Content
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I. Basic Information for CVE-2026-2747
Vulnerability Information
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Vulnerability Title
PGP Mixed Plaintext and Encrypted Content
Source: NVD (National Vulnerability Database)
Vulnerability Description
SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
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，该漏洞源于解密内联PGP消息时未将其与周围未加密内容隔离，可能导致敏感信息暴露给未经授权的参与者。
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-2026-2747
| # | 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-2026-27444 | Header Email Address Parsing | |
| 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 |
IV. Related Vulnerabilities
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Calls权限控制漏洞影响可用性
V. Comments for CVE-2026-2747
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