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EUVD-2026-339915

fkie_cve-2026-63226

Printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. do not implement restrictions on SSH port forwarding, allowing to connect to arbitrary destinations. When SSH is enabled on an affected product, SSH port forwarding may be leveraged to connect to other node on the LAN.

GHSA-5wcj-6pch-ghh8

jvndb-2026-000102

Some series of printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. provide SSH service, but no restriction is implemented on SSH port forwarding.<a href='https://cwe.mitre.org/data/definitions/923.html' target='_blank'></a><ul><li>Improper restriction of communication channel to intended endpoints (CWE-923) - CVE-2026-63226</li></ul>Brandon Roach and Bryan Clements of Pathfynder.io reported this vulnerability to Ricoh Company, Ltd. and coordinated. After the coordination was completed, Ricoh Company, Ltd. reported the case to JPCERT/CC to notify users of the solution through JVN.