CVE-2026-16678 IBM Power Systems Firmware Denial of Service
A remote authenticated attacker can cause a denial of service in IBM Power Systems Firmware by exhausting connection resources due to improper resource management.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16678?
CVE-2026-16678 is a medium-severity denial of service vulnerability in IBM Virtualization Management Interface, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Power Systems Firmware FW1110.00 through FW1110.31, FW1120.00 through FW1120.01, and FW1060.00 through FW1060.81 could allow a remote authenticated attacker to cause a denial of service by exhausting connection resources due to improper resource management.
Weakness: CWE-772
Which versions are affected by CVE-2026-16678?
How do I fix CVE-2026-16678?
No fix has been published for CVE-2026-16678 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-16678 being exploited?
There is no known exploitation of CVE-2026-16678 in the wild and no public exploit code.
Sources
Also known as GHSA-ff7h-h85h-qx3m.