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CVE-2026-114425 Forged LFT metadata permits arbitrary file read and deletion

CriticalCVSS 9.2 EPSS 0.33%
Published
Updated
Exploit status
No public exploit known
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Description

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 accessible regular file when LFT is enabled and the message reaches an affected secure-mail processing path. The validated workers ran as root.

Affected products

ProductAffected versionsFixed in
SEPPmail AG SEPPmail Secure Email Gateway (SEG) < 15.1.1 15.1.1

References