CVE-2026-12943: IBM Hardware Management Console

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM HMC V10.3.1050.0 through 10.3.1064.0 and IBM HMC V11.1.1110.0 through 11.1.1112.0 Management systems in IBM Power environments (HMC and Novalink) could allow an unauthenticated user to execute arbitrary commands with elevated privileges on the system due to improper validation of user supplied input.

Affected products

• IBM Hardware Management Console: from 10.3.1050.0, before 10.3.1064.1 (fixed in 10.3.1064.1); from 11.1.1110.0, before 11.1.1112.1 (fixed in 11.1.1112.1)

Published 2026-07-30. Last modified 2026-08-10.