CVE-2026-27442 CRITICAL

CVE-2026-27442: zip_attachments Path Traversal

Vendor Seppmail
Product Secure Email Gateway
Weakness CWE-22 · Path traversal
Published March 4, 2026
Last update March 4, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 4, 2026 Record updated