CVE-2026-12943
This Power Hardware Management Console update is being released to address
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.
INFO
Published Date :
July 30, 2026, 7:17 p.m.
Last Modified :
July 30, 2026, 7:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-12943
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update IBM HMC to a version beyond the vulnerable range.
- Apply vendor-supplied security patches for HMC.
- Ensure proper validation of user input in HMC.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-12943.
| URL | Resource |
|---|---|
| https://www.ibm.com/support/pages/node/7278667 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-12943 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-12943
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-12943 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-12943 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ibm:hmc_v10310500:10.3.1050.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:hmc_v10310500:10.3.1064.0:*:*:*:*:*:*:*'], 'vendor': 'IBM', 'product': 'HMC V10.3.1050.0', 'versions': [{'status': 'affected', 'version': '10.3.1050.0', 'versionType': 'semver', 'lessThanOrEqual': '10.3.1064.0'}]}, {'cpes': ['cpe:2.3:a:ibm:hmc_v11111100:11.1.1110.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:hmc_v11111100:11.1.1112.0:*:*:*:*:*:*:*'], 'vendor': 'IBM', 'product': 'HMC V11.1.1110.0', 'versions': [{'status': 'affected', 'version': '11.1.1110.0', 'versionType': 'semver', 'lessThanOrEqual': '11.1.1112.0'}]}] Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-78 Added Reference https://www.ibm.com/support/pages/node/7278667 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 30, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-12943', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-30T18:39:21.327190Z'}