Arbitrary File Write via Path Traversal upload to Remote Code Execution in SeppMail User Web Interface.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 5, 2026 · NIST NVD

   Detected

   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

2. Jun 17, 2026 · NIST NVD

   Updated

   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

Affected

• cpe seppmail/seppmailversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-2743

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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

  nvd.nist.gov

References

• Release Notes · downloads.seppmail.com
• Reference · labs.infoguard.ch