Is CVE-2026-18848 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18848?

CVE-2026-18848 has a CVSS v3 severity of HIGH (8.3).

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CVE-2026-18848

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.