CVE WatchOct 14, 2026

CVE-2026-107393

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APP_CLOUDFLARE_IS_USED is enabled, FreeScout trusts an unval

CVSS

6.1

Medium

EPSS

0.2%

p14

KEV

—

Exploit Today

0-100

Published: Oct 8, 2026 · Last modified: Oct 14, 2026 · CWE-79 · CWE-116

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-092026-10-25

Technical description

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APP_CLOUDFLARE_IS_USED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrator alert email without HTML escaping, allowing injected HTML to execute when an administrator opens the email. This issue is fixed in version 1.8.235.

Official references

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