CVE-2026-2743
critical · 10Arbitrary 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
10
CVSS
0.8%
EPSS (exploit prob.)
56th
EPSS percentile
2026-03-05
Published
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X
Weaknesses
CWE-22CWE-434
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| seppmail | seppmail | <= 15.0.2.1 |
Check a specific version with /api/v1/cve/match.
References
- 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/
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-2743