Vulnerability · Published Aug 19, 2026 · Assigned by ibm

CVE-2026-18848Power System Cross-Site Request Forgery (CSRF)

High 8.3

In plain English

A high-severity cross-site request forgery in Power Systems Firmware from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)0.2%top 95.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
IBM	Power Systems Firmware	FW1120.00FW1110.00 – through FW1110.30FW1060.00 – through FW1060.80FW950.00 – through FW950.H2

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

References

https://www.ibm.com/support/pages/node/7283897 vendor-advisory, patch