CVE-2025-26487: Nokia Infinera Mtc-9 Firmware

High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days.

Server-Side Request Forgery (SSRF) vulnerability in Infinera MTC-9 version allows remote unauthenticated users to gain access to other network resources using HTTPS requests through the appliance used as a bridge.

Affected products

• Nokia Infinera Mtc-9 Firmware: from 22.1.1.0275, before 23.0 (fixed in 23.0)

Published 2025-12-08. Last modified 2026-10-07.