CSRF in IBM Power Systems Firmware
CVE-2026-18848
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H.
Affected products
- Ibm Power Systems Firmware — versions FW1120.00
- Ibm Server Firmware — versions FW1120.00
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-18848?
- CVE-2026-18848 is a high-severity vulnerability in IBM Power Systems Firmware, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.3/10. Published 2026-08-19.
- How severe is CVE-2026-18848?
- High severity. CVSS v3 base score is 8.3 out of 10.