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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SEPPmail AG Secure Email Gateway unaffected
Version Status Constraints
0 affected < 15.0.4

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security cve-icon cve-icon
History

Fri, 08 May 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 08 May 2026 13:30:00 +0000

Type Values Removed Values Added
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.
Title Local File Inclusion (LFI) and Arbitrary File Deletion
Weaknesses CWE-73
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-05-08T21:27:54.210Z

Reserved: 2026-05-05T12:56:43.132Z

Link: CVE-2026-44127

cve-icon Vulnrichment

Updated: 2026-05-08T14:26:23.803Z

cve-icon NVD

Status : Deferred

Published: 2026-05-08T14:16:45.730

Modified: 2026-05-08T15:51:08.590

Link: CVE-2026-44127

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T15:15:10Z

Weaknesses