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CVE-2026-12943

IBM Hardware Management Console command injection

9.8 CRITICALEPSS 0.76%
  1. Published30 Jul 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

IBM Hardware Management Console≥ 10.3.1050.0 < 10.3.1064.1 · ≥ 11.1.1110.0 < 11.1.1112.1

Remediation

Fixed in
IBM Hardware Management Console≥ 10.3.1064.1

References

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Frequently asked

Is CVE-2026-12943 being actively exploited?

CVE-2026-12943 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.76%.

How severe is CVE-2026-12943?

CVE-2026-12943 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.76% probability of exploitation.

Which products are affected by CVE-2026-12943?

Affected products include IBM Hardware Management Console.

How do I fix CVE-2026-12943?

Upgrade affected software to a fixed version, for example IBM Hardware Management Console 10.3.1064.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-12943 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.