CVE-2026-2743
Critical
Description
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
SeverityCritical
CVSS9.8
Exploit probability—
ProductSeppmail
PublishedMar 5, 2026
First seenMar 5, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| seppmail seppmail | v ≤ 15.0.2.1 | — |
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