[ CVE-2026-114426 · Published 4 Nov 2026 ]
Vulnerability in SEPPmail AG SEPPmail Secure Email Gateway (SEG)
CVSS 8.7
EPSS <1%No fix listed yet
[ Description ]Official description
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 with concurrent or slow requests, causing service unavailability.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.