CVE-2026-27442
Received Received - Intake

Improper Filename Validation in SEPPmail GINA Enables File Access

Vulnerability report for CVE-2026-27442, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-03-04

Last updated on: 2026-03-05

Assigner: Switzerland Government Common Vulnerability Program

Description

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.

CVSS Scores

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Meta Information

Published
2026-03-04
Last Modified
2026-03-05
Generated
2026-07-06
AI Q&A
2026-03-04
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
seppmail seppmail to 15.0.1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

The vulnerability exists in the GINA web interface of the SEPPmail Secure Email Gateway versions before 15.0.1. It occurs because the system does not properly check attachment filenames in GINA-encrypted emails. This flaw allows an attacker to access files on the gateway that they should not be able to access.

Impact Analysis

This vulnerability can have a significant impact as it allows an attacker to access files on the SEPPmail Secure Email Gateway. Unauthorized file access could lead to exposure of sensitive information, potential data breaches, and compromise of the email gateway's security.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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