CVE-2026-114426
Received
Received - Intake
SEPPmail Secure Email Gateway Denial of Service via Unauthenticated File Upload
Vulnerability report for CVE-2026-114426, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-04
Last updated on: 2026-11-04
Assigner: Switzerland Government Common Vulnerability Program
Description
Description
SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage with concurrent or slow requests, causing service unavailability.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| SEPPmail AG | SEPPmail Secure Email Gateway (SEG) | 0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |