CVE-2026-18848

High

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 ASMI web interface. An attacker who can lure a logged-in ASMI administrator to visit a crafted web page can, under specific conditions, silently perform administrative actions on the FSP on behalf of that administrator, resulting in a confidentiality, integrity, and availability impact to the managed system.

SeverityHigh
CVSS8.3
Exploit probability—
ProductIbm Power System E1080 \(9080-hex\) Firmware
PublishedAug 19, 2026
First seenAug 19, 2026

How to fix

Update
  • ibm power_system_e1080_\(9080-hex\)_firmwarefw1060.81 or later
  • ibm power_system_e1180_\(9080-heu\)_firmwarefw1110.31 or later
  • ibm power_system_s922_\(9009-22g\)_firmwarefw950.h3 or later
  • ibm power_system_h922_\(9223-22s\)_firmwarefw950.h3 or later
  • ibm power_system_s914_\(9009-41g\)_firmwarefw950.h3 or later
  • ibm power_system_s924_\(9009-42g\)_firmwarefw950.h3 or later
  • ibm power_system_h924_\(9223-42s\)_firmwarefw950.h3 or later
  • ibm power_system_e950_\(9040-mr9\)_firmwarefw950.h3 or later
  • ibm power_system_e980_\(9080-m9s\)_firmwarefw950.h3 or later

Affected products

ProductAffected versionsFixed in
ibm power_system_e1080_\(9080-hex\)_firmwarefw1060.00 ≤ v < fw1060.81fw1060.81
ibm power_system_e1180_\(9080-heu\)_firmwarefw1110.00 ≤ v < fw1110.31, fw1120.00fw1110.31
ibm power_system_s922_\(9009-22g\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_h922_\(9223-22s\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_s914_\(9009-41g\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_s924_\(9009-42g\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_h924_\(9223-42s\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_e950_\(9040-mr9\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3
ibm power_system_e980_\(9080-m9s\)_firmwarefw950.00 ≤ v < fw950.h3fw950.h3

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