CYBERSIXT Signal Over Noise
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Vulnerability intelligence

CVE-2026-2743

CWE-22

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 Score
10
Critical
EPSS — Exploit Probability
0.2%
Riskier than 36% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
Patch available
Vendor fix published
NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered May 19, 2026 · latest May 19, 2026

Coverage timeline