CVE-2026-114425 · Infrastructure
NO FIX YET · SEE WHAT TO DO
SEPPmail Secure Email Gateway before 15.1.1 trusts a file path supplied in Large File Transfer attachment metadata. An unauthenticated remote sender can make the mail-processing worker disclose, move or delete an accessible regular file, and the validated workers ran as root.
first public Nov 4, 2026 · 1 source
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Organisations running SEPPmail Secure Email Gateway before 15.1.1 with Large File Transfer enabled, since inbound mail reaches the vulnerable path. Gateways without LFT enabled, or already on 15.1.1 or later, are not described as exposed.
Not affected if lft-disabled, version-15.1.1-or-later
Who cares email-gateway, self-hosted, seppmail
15.1.1 or later.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.
This page as .md · .json · in your agent: get_signal("CVE-2026-114425") · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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