CVE-2026-29132— ESWmail-Verify Bypass
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 15.0.3之前版本存在安全漏洞，该漏洞源于攻击者可绕过第二密码检查，可能导致读取受保护的电子邮件。
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I. Basic Information for CVE-2026-29132
Vulnerability Information
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Vulnerability Title
ESWmail-Verify Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker with access to a victim's GINA account to bypass a second-password check and read protected emails.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
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 15.0.3之前版本存在安全漏洞，该漏洞源于攻击者可绕过第二密码检查，可能导致读取受保护的电子邮件。
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 ~ 15.0.3 | - |
|
II. Public POCs for CVE-2026-29132
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · SEPPmail · 2026-04-02 · 14 CVEs total
| CVE-2026-29140 | S/MIME Signature Additional Certificate | |
| CVE-2026-29135 | Webmail Password Tag Sanitization Bypass | |
| CVE-2026-29133 | UID Regex Bypass | |
| CVE-2026-29134 | GINA Domain Switch | |
| CVE-2026-29144 | Unicode Subject Tags | |
| CVE-2026-29141 | Bounded Subject Tag Sanitization | |
| CVE-2026-29143 | S/MIME Decryption Impersonation | |
| CVE-2026-29137 | Long Subject Untagging | |
| CVE-2026-29142 | Plaintext secure-mail.html | |
| CVE-2026-29138 | PGP Decryption Sender LDAP Injection | |
| CVE-2026-29139 | GINA State Confusion Account Takeover | |
| CVE-2026-29136 | CA Notification HTML Injection | |
| CVE-2026-29131 | PGP Decryption Recipient LDAP Injection |
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V. Comments for CVE-2026-29132
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