CVE-2026-2743

SEPPmail User Web Interface Arbitrary File Write to RCE

CVSS 10 CRITICALEPSS 0.8%CWE-22 CWE-434

Vexday Risk Score

28Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 10EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

05 mar 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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

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/AU:Y

Produtos afetados

SeppMail · SeppMail

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Referências

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/