CVE-2026-27442
Improper Filename Validation in SEPPmail GINA Enables File Access
Publication date: 2026-03-04
Last updated on: 2026-03-05
Assigner: Switzerland Government Common Vulnerability Program
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| seppmail | seppmail | to 15.0.1 (exc) |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know