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Description

SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.

PUBLISHED Reserved 2026-02-19 | Published 2026-03-04 | Updated 2026-03-04 | Assigner NCSC.ch




CRITICAL: 9.5CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L

Problem types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status
unaffected

Any version before 15.0.1
affected

Timeline

2025-10-31:Vulnerability disclosed to SEPPmail
2026-01-06:Version 15.0.1 released

Credits

Andris Suter-Dörig finder

Matteo Scarlata coordinator

Kenny Paterson coordinator

References

downloads.seppmail.com/extrelnotes/150/ERN15.0.html release-notes

cve.org (CVE-2026-27441)

nvd.nist.gov (CVE-2026-27441)

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