VULNERABILITY INTELLIGENCE
CVE-2026-16835
CVSS score9.6 CRITICAL
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-08-25
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP management network protocol. An unauthenticated attacker on the management network can bypass authentication and perform any administrative operation on the managed system, including control of partition power state, configuration, and console access across all hosted partitions, resulting in a confidentiality, integrity, and availability impact to the managed system.
Weakness classification
- psirt@us.ibm.com: CWE-295
Primary references
- psirt@us.ibm.com — Vendor Advisory