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SEPPmail AG has 8 CVEs on record. Disclosure cadence is accelerating: 8 in the last 90 days against 0 in the 90 before. The busiest recent month was November 2026 with 5. The median CVSS is 8.6 (high), with 2 rated critical. None have a confirmed exploitation report. Most affected products: SEPPmail Secure Email Gateway (SEG) (7), Secure Email Gateway (1).

CVEs per month

Last 12 months, by publish date

120102030405060708091011
Exploited share
0% vs 1% corpus
Median CVSS
8.6
Publish → KEV
—
Last 90 days
8 prev 0

Products

  • SEPPmail Secure Email Gateway (SEG) 7
  • Secure Email Gateway 1
8
Total CVEs
2
Critical
0
CISA KEV
0
Exploited

SEPPmail AG vulnerabilities

CVEs affecting SEPPmail AG, newest first. Open any entry for full detail, references, and exploit status.

8 CVEsRSS

CVE-2026-114421High· 8.3
yesterday

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 su…

▾ TwilightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.30%via CVEORG
CVE-2026-114425Critical· 9.2
yesterday

Forged LFT metadata permits arbitrary file read and deletion

SEPPmail Secure Email Gateway before 15.1.1 trusts a file path supplied in externally provided Large File Transfer attachment metadata. An unauthenticated remote sender can cause the mail-processing worker to disclose, move, or delete an…

▾ MidnightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.33%via CVEORG
CVE-2026-114424Critical· 9.2
yesterday

Code execution through double evaluation in address replacement rules

SEPPmail Secure Email Gateway before 15.1.1 can evaluate attacker-influenced replacement text as Perl code in sender or recipient replacement rules. An unauthenticated remote sender can execute operating-system commands in the mail-proce…

▾ MidnightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.26%via CVEORG
CVE-2026-114420Medium· 6.9
yesterday

LDAP wildcard injection exposes GINA recipient accounts

SEPPmail Secure Email Gateway before 15.1.1 does not neutralize LDAP metacharacters in an unauthenticated account-selection input in its GINA web interface. A remote unauthenticated attacker can enumerate email addresses.

▾ SunlitSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.36%via CVEORG
CVE-2026-114426High· 8.7
yesterday

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…

▾ TwilightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.32%via CVEORG
CVE-2026-84830High· 8.6
2mo ago

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.

▾ TwilightSEPPmail AG · Secure Email GatewayEPSS 1.2%via CVEORG
CVE-2026-84832High· 8.6
2mo ago

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" priv…

▾ TwilightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.64%via CVEORG
CVE-2026-84831High· 7.7
2mo ago

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 prote…

▾ TwilightSEPPmail AG · SEPPmail Secure Email Gateway (SEG)EPSS 0.47%via CVEORG
SEPPmail AG vulnerabilities (CVEs) · VulnSea