Intel

CVE-2026-12943

hardware_management_console: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CVE-2026-12943)

criticalEPSS 0.8%

Affected

  • ibm/hardware_management_console between 10.3.1050.0..10.3.1064.1
  • ibm/hardware_management_console between 11.1.1110.0..11.1.1112.1

Description

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.

Source: BSI CSAFBSI WID PortalNVD (NIST)cvelistv5

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

ibmhardware_management_console
10.3.1050.0 – 10.3.1064.111.1.1110.0 – 11.1.1112.1

Metrics

XIEM Effective CVSS
9.8
Source: nvd-v3
EPSS percentile
53.9 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
critical
Priority score
95.88
Exploit maturity
no public PoC known
CVSS v3
9.8
EPSS score
0.8 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-30 17:57 UTC
CWE
CWE-78

Weakness classes (CWE)

  • CWE-78Base

    Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

    The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. Initial Analysis2026-08-10 20:05 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:a:ibm:hardware_management_console:*:*:*:*:*:*:*:* versions from (including) 10.3.1050.0 up to (excluding) 10.3.1064.1 *cpe:2.3:a:ibm:hardware_management_console:*:*:*:*:*:*:*:* versions from (including) 11.1.1110.0 up to (excluding) 11.1.1112.1
    • Reference Type: IBM Corporation: https://www.ibm.com/support/pages/node/7278667 Types: Vendor Advisory
  2. New CVE Received2026-07-30 19:17 UTC· psirt@us.ibm.com
    • Affected: HMC V10.3.1050.0, HMC V11.1.1110.0
    • Description: 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.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    • CWE: CWE-78
  3. CVE Modified2026-07-30 19:17 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-12943","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…

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