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OpenAdvisories

Vendor

SEPPmail

40 known vulnerabilities.

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  • High 8.3

    Empty initial password permits GINA account takeover

    SEPPmail Secure Email Gateway before 15.1.1 permits password recovery for a created but unregistered GINA account whose initial password is empty without adequately verifying ownership. A remote unauthenticated attacker who identifies such an account can set …

  • High 8.7

    Pre-authentication upload parsing permits resource exhaustion

    SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage wit…

  • High 8.6

    OS command injection in privileged configuration handling

    SEPPmail Secure Email Gateway before 15.0.7 contains a command injection vulnerability that allows authenticated administrators to execute commands with elevated privileges.

  • High 8.6

    Unsafe deserialization in the REST interface

    SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with "nobody" privileges.

  • High 7.7

    Mandatory MFA bypass before enrollment

    SEPPmail Secure Email Gateway before 15.0.7 creates a fully privileged session before required multi-factor authentication enrollment is completed. An attacker with the password for an MFA-required but unenrolled account can access protected functionality wit…

  • High 7.5

    Sensitive Information Disclosure in HTTP header

    SEPPmail Secure Email Gateway & SEPPmail Cloud before version 15.0.4.2 allows an attacker to replay & hijack a user session in the GINA web portal, as the session token is disclosed inside the URL and a HTTP header.

  • High 7.1

    Path traversal in PDF generation module

    SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.

  • High 8.3

    Server-side template injection

    SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and po…

  • High 8.8
    CVE-2026-44127 EPSS 15%

    Local File Inclusion (LFI) and Arbitrary File Deletion

    SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in…

  • High 7.8

    GINA State Confusion Account Takeover

    SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initialization to reset a victim account password.

  • High 7.8

    Unicode Subject Tags

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.

  • High 7.8

    S/MIME Decryption Impersonation

    SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers.

  • High 7.7

    Bounded Subject Tag Sanitization

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

  • High 7.7

    S/MIME Signature Additional Certificate

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be used for future encryption to a victim by adding the certificates to S/MIME signatures.

  • High 7.8

    S/MIME Certificate Subject Whitespace

    SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.

  • High 7.8

    Header Email Address Parsing

    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.

  • High 8.2

    S/MIME Decryption Tag Sanitization Bypass

    SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers.