CVE-2026-2743
CVSS v3
9.8
CRITICAL
EPSS Score
1.0 %
exploit probability, as of 2026-10-02
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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
Technical details
- Published
- 2026-03-05
- Last Modified
- 2026-05-19
Frequently asked questions
What is CVE-2026-2743?
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
Is CVE-2026-2743 actively exploited?
Active exploitation of CVE-2026-2743 has not been confirmed. Its EPSS score was 1.0% on 2026-10-02, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-2743?
CVE-2026-2743 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2026-2743 affecting your environment?
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