CVE-2026-39711: Stmcan Rt-Theme 18 | Extensions

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Insertion of Sensitive Information Into Sent Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Retrieve Embedded Sensitive Data.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

Affected products

• Stmcan Rt-Theme 18 | Extensions: up to and including 2.5

Published 2026-04-08. Last modified 2026-07-24.