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[NEW] [high] SEPPmail Secure E-Mail Gateway: Multiple Vulnerabilities

high
An attacker can exploit multiple vulnerabilities in SEPPmail Secure E-Mail Gateway to bypass security measures and execute arbitrary code.

CSIRTS triage

What
Multiple vulnerabilities enable security bypass and arbitrary code execution.
Who is affected
Deployments of SEPPmail Secure E-Mail Gateway facing remote or authenticated attack vectors.
Urgency
High severity due to code execution capability; should be prioritized for immediate remediation.
Action
Apply SEPPmail security updates to resolve all identified vulnerabilities in the Secure E-Mail Gateway.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-25
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2992

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