CVE-2026-44127 | THREATINT

Description

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the privileges of the api.app process.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-08 | Updated 2026-05-18 | Assigner NCSC.ch

HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-73 External control of file name or path

Product status

Default status

unaffected

Any version before 15.0.4

affected

Credits

Dario Weiss of InfoGuard Labs finder

References

downloads.seppmail.com/extrelnotes/150/ERN15.0.html

labs.infoguard.ch/...026-7864_cve-2026-44127_cve-2026-44128/

cve.org (CVE-2026-44127)

nvd.nist.gov (CVE-2026-44127)

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