# CVE-2026-12943: This Power Hardware Management Console update is being released to address

> Unauthenticated attackers can execute arbitrary commands with elevated privileges on IBM Power HMC systems due to improper input validation.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Jul 2026
- **Updated:** 31 Jul 2026
- **Also known as:** GHSA-hvmw-g754-cmg9

## What is CVE-2026-12943?

CVE-2026-12943 is a critical command injection vulnerability in IBM HMC V10.3.1050.0, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-12943?

It affects 1 product.


Products: Ibm Hardware Management Console.

## How do I fix CVE-2026-12943?

No fix has been published for CVE-2026-12943 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-12943 being exploited?

There is no known exploitation of CVE-2026-12943 in the wild and no public exploit code.

## Other vulnerabilities in IBM HMC V10.3.1050.0

- [CVE-2009-0178](https://insights.sbomify.com/CVE-2009-0178/): Other in n/a (critical 10.0)
- [CVE-2007-6293](https://insights.sbomify.com/CVE-2007-6293/): Privilege escalation in n/a (critical 10.0)
- [CVE-2025-1950](https://insights.sbomify.com/CVE-2025-1950/): IBM Hardware Management Console - Power Systems command execution (critical 9.3)
- [CVE-2009-1806](https://insights.sbomify.com/CVE-2009-1806/): Other in n/a (critical 9.3)
- [CVE-2025-1951](https://insights.sbomify.com/CVE-2025-1951/): IBM Hardware Management Console - Power Systems command execution (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-12943 and fix it if it is affected.

What it is: CVE-2026-12943 is a critical command injection vulnerability in IBM HMC V10.3.1050.0, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-12943 in the wild and no public exploit code.

Affected product: IBM HMC V10.3.1050.0. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-12943/ (Markdown: https://insights.sbomify.com/CVE-2026-12943/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-12943
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-12943
- OSV: https://osv.dev/vulnerability/CVE-2026-12943

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-12943/
Summaries are generated and may contain mistakes; the official description above is the record.