CVE-2026-44127 HIGH

CVE-2026-44127: Local File Inclusion (LFI) and Arbitrary File Deletion

Vendor Seppmail Ag
Product Secure Email Gateway
Weakness CWE-73
Published May 8, 2026
Last update May 18, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the privileges of the api.app process.

Key dates

02Disclosure timeline

May 8, 2026 CVE published
May 18, 2026 Record updated