critical9.8
CVE-2026-2743
Arbitrary File Write via Path Traversal upload to Remote Code Execution in SeppMail User Web Interface.
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Seppmail | Seppmail | through 15.0.2.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html
- https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/
- https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/