CVE-2026-2743

CRITICAL SEVERITY

CVSS Score & Metrics

Base Score

9.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability 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

Vulnerability Details

Published Date

March 05, 2026

Last Modified

March 09, 2026

CWE ID

CWE-22

Source

NVD

Vendor

seppmail

Product

seppmail

External References

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html
https://labs.infoguard.ch/advisories/seppmail

CVE-2026-2743

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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