CVE-2026-18848 — HIGH (8.3)

Vulnerability 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.

CVSS Score

8.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-352

References

https://www.ibm.com/support/pages/node/7283897

FAQ

What is CVE-2026-18848?

CVE-2026-18848 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 ...

How severe is CVE-2026-18848?

CVE-2026-18848 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18848?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.