CVE-2026-8811
Received
Received - Intake
Improper File Handling in SEPPmail PDF Generation
Publication date: 2026-06-18
Last updated on: 2026-06-18
Assigner: Switzerland Government Common Vulnerability Program
Description
Description
SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| seppmail | seppmail_secure_e_mail_gateway | to 15.0.5 (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. |