CVE-2026-8811

HIGH EPSS 23.6%
Published Jun 18, 20262w ago · Modified Jun 22, 20261w ago
7.1 CVSS 4.0
High
Find Similar
Published Jun 18, 2026 2w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
7.1
Exploitability
—
Impact
—
Vector string
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/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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

References 1

  • downloads.seppmail.com https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#possible-path-traversal-vulnerability

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.