CVE-2026-84830: Improper Neutralization of Special Elements used in an OS Command

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

CVE-2026-84832: Deserialization of Untrusted Data

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...

CVE-2026-84831: Improper Authentication

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 without providing a second factor...

CVE-2026-9592: Use of GET Request Method With Sensitive Query Strings

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...

CVE-2026-44128

CVE-2026-44128 affects SEPPmail Secure Email Gateway prior to version 15.0.2.1. The root cause is unauthenticated remote code execution caused by passing attacker-controlled input from a parameter to Perl’s eval in the new GINA UI. This leads to full compromise without authentication, as indicate...

CVE-2026-7864: Exposure of Sensitive System Information to an Unauthorized Control Sphere

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information...

CVE-2026-44128: Improper Neutralization of Directives in Dynamically Evaluated Code

SEPPmail Secure Email Gateway before version 15.0.2.1 allows unauthenticated remote code execution in the new GINA UI because an endpoint passes attacker-controlled input from a parameter to Perl's eval...

CVE-2026-44126: Deserialization of Untrusted Data

SEPPmail Secure Email Gateway before version 15.0.4 insecurely deserializes untrusted data, which can be reached from the new GINA UI and may allow unauthenticated remote attackers to execute code via a crafted serialized object...

CVE-2026-44129: Improper Neutralization of Special Elements Used in a Template Engine

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 potentially achieve remote code executio...

CVE-2026-44127: External Control of File Name or Path

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 the targeted directory with the...

CVE-2026-44125: Missing Authorization

SEPPmail Secure Email Gateway before version 15.0.4 fails to enforce authorization checks for multiple endpoints in the new GINA UI, allowing unauthenticated remote attackers to access functionality that should require a valid session...

PT-2026-38958

Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.4 Description The new GINA UI fails to enforce authorization checks for multiple endpoints. This allows unauthenticated remote attackers to access functionality that should require a valid...

CVE-2026-29131

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users...

EUVD-2026-18166

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...

CVE-2026-29142

The CVE affects SEPPmail Secure Email Gateway prior to version 15.0.3, where an attacker can forge a GINA-encrypted email. Affected product: SEPPmail Secure Email Gateway; root cause: improper handling of GINA encryption outside the intended trust boundary (as described in vulnerability notes). I...

CVE-2026-29132 ESWmail-Verify Bypass

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...

SEPPmail Secure Email Gateway security vulnerability

SEPPmail Secure Email Gateway is an email security gateway developed by the German company SEPPmail. Versions of SEPPmail Secure Email Gateway prior to version 15.0.3 contained security vulnerabilities. These vulnerabilities stemmed from a flaw that allowed attackers to inject HTML into new CA...

CVE-2026-29140: Improper Certificate Validation

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...

CVE-2026-29144: Improper Input Validation

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

CVE-2026-29143: Improper Input Validation

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...