CVE-2026-71302: Toptech Systems TMS7

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The application accepts user-supplied session identifiers and does not regenerate the session ID after authentication. This allows an attacker to predefine a session ID and reuse it after victim authentication, resulting in session takeover.

Affected products

• Toptech Systems TMS7: version 7.6.3 only
• Toptech Systems Tophat: version 7.6.3 only

Published 2026-09-29. Last modified 2026-09-30.