CVE-2026-63226 Server-side request forgery in Ricoh printers and Multifunction Printers (MFPs)
Ricoh printers allow SSH port forwarding when enabled, permitting attackers to connect to arbitrary internal network destinations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63226?
CVE-2026-63226 is a medium-severity server-side request forgery vulnerability in Ricoh printers and Multifunction Printers (MFPs), published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-923
Which versions are affected by CVE-2026-63226?
How do I fix CVE-2026-63226?
No fix has been published for CVE-2026-63226 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-63226 being exploited?
There is no known exploitation of CVE-2026-63226 in the wild and no public exploit code.
Sources
Also known as GHSA-5wcj-6pch-ghh8.