CVE-2026-40434: Anviz Crosschex Standard

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt application traffic.

Affected products

• Anviz Crosschex Standard: affected versions not specified

Published 2026-04-17. Last modified 2026-06-17.