Is there a public exploit for CVE-2026-114425?

No public exploit for CVE-2026-114425 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-114425?

CVE-2026-114425 scores CVSS 9.2 (v4.0), rated critical.

What does CVE-2026-114425 affect?

CVE-2026-114425 affects SEPPmail AG SEPPmail Secure Email Gateway (SEG).

9.2 Critical

SEPPmail Secure Email Gateway before 15.1.1 trusts a file path supplied in externally provided Large File Transfer attachment metadata.

CVE-2026-114425

SEPPmail Secure Email Gateway before 15.1.1 trusts a file path supplied in externally provided Large File Transfer attachment metadata. An unauthenticated remote sender can cause the mail-processing worker to disclose, move, or delete an accessible regular file when LFT is enabled and the message reaches an affected secure-mail processing path. The validated workers ran as root.

Assessment

CVSS: 9.2 (v4.0)
Severity: Critical
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 4 November 2026
Last updated: 4 November 2026
Affected: SEPPmail AG · SEPPmail Secure Email Gateway (SEG)
Assigner: NCSC.ch

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://docs.seppmail.com/en/20_revision-history.html

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