CVE-2026-8811

Path traversal in PDF generation module

Published Jun 18, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Seppmail
Seppmail secure Email Gateway
Vendors & Products Seppmail
Seppmail secure Email Gateway
Type Values Removed Values Added
Description SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.
Title Path traversal in PDF generation module
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Jun 18, 2026, 12:14 PM
Reserved
May 18, 2026, 8:15 AM
Status
Deferred
Published
Jun 18, 2026, 1:25 PM
Modified
Oct 26, 2026, 11:10 AM