CVE-2026-114425

Forged LFT metadata permits arbitrary file read and deletion

Published Nov 4, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Seppmail
Seppmail seppmail Secure Email Gateway
Vendors & Products Seppmail
Seppmail seppmail Secure Email Gateway
Type Values Removed Values Added
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.
Title Forged LFT metadata permits arbitrary file read and deletion
Weaknesses CWE-73
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Nov 9, 2026, 9:19 PM
Reserved
Oct 21, 2026, 1:14 PM
Status
Deferred
Published
Nov 4, 2026, 9:17 AM
Modified
Nov 9, 2026, 10:18 PM