CVE-2026-2743
CRITICAL WAF: High
CVSS 9.8
Published: 2026-03-05
CWE-22 CWE-434 CWE-22
Arbitrary File Write via Path Traversal upload to Remote Code Execution in SeppMail User Web Interface. The affected feature is the large file transfer (LFT). This issue affects SeppMail: 15.0.2.1 and before
WAF Coverage Analysis
Path Traversal
High WAF Coverage
OWASP: A01:2021 Broken Access Control
930xxx - Local File Inclusion
Unrestricted File Upload
Medium WAF Coverage
OWASP: A04:2021 Insecure Design
930xxx - Local File Inclusion
Path Traversal
High WAF Coverage
OWASP: A01:2021 Broken Access Control
930xxx - Local File Inclusion
Affected Software
| Vendor | Product | Version |
|---|---|---|
| seppmail | seppmail | up to 15.0.2.1 |
References
- downloads.seppmail.com (Release Notes)
- labs.infoguard.ch (Third Party Advisory)