CVE-2025-41083: Altitude Communication Server

Medium severity, CVSS 5.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Vulnerability in Altitude Authentication Service and Altitude Communication Server v8.5.3290.0 by Altitude, where manipulation of Host header in HTTP requests allows redirection to an arbitrary URL or modification of the base URL to trick the victim into sending login credentials to a malicious website. This behavior can be used to redirect clients to endpoints controlled by the attacker.

Affected products

• Altitude Altitude Communication Server: version 8.5.3290.0 only

Published 2026-01-26. Last modified 2026-06-17.