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CVE-2026-27442— zip_attachments Path Traversal

Quick assessment

Affected
SEPPmail Secure Email Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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GINA Web接口未正确检查GINA加密电子邮件中的附件文件名，可能导致攻击者访问网关上的文件。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-27442

Vulnerability Information
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Vulnerability Title
zip_attachments Path Traversal
Source: CVE Program / CVE List V5
Vulnerability Description
The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
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GINA Web接口未正确检查GINA加密电子邮件中的附件文件名，可能导致攻击者访问网关上的文件。
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-2026-27442

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III. Intelligence Information for CVE-2026-27442

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Other References for CVE-2026-27442 (1)

Same Patch Batch · SEPPmail · 2026-03-04 · 8 CVEs total

CVE-2026-27441 PDF Password CMDi
CVE-2026-27444 Header Email Address Parsing
CVE-2026-27443 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

IV. Related Vulnerabilities

Same product: Secure Email Gateway
Same vendor: SEPPmail
Same weakness: CWE-22

V. Comments for CVE-2026-27442

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