VULNERABILITY INTELLIGENCE

CVE-2026-8811

CVSS score7.1 HIGH
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-06-18
Last modified2026-10-26
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L

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.

Weakness classification

  • vulnerability@ncsc.ch: CWE-22

Primary references