CVE-2026-8811

HighCVSS 7.1/10Last modified Jun 22, 2026

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.

Metrics

CVSS 4.0 7.1/10CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-22

Affected software

No affected versions have been published.

Timeline

Published
Jun 18, 2026
Last modified
Jun 22, 2026
NVD status
Deferred

Related CVEs from 2026

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CVE-2026-8811: High severity, CVSS 7.1 | Vulnix