# CVE-2026-6389: Privilege escalation in Turbonomic prometurbo agent

> Excessive cluster-wide permissions in the IBM Turbonomic agent allow attackers to exfiltrate secrets and escalate privileges to compromise the cluster.

- **Severity:** High 8.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Apr 2026
- **Updated:** 1 May 2026
- **Also known as:** GHSA-m8jq-5rm6-g6g3

## What is CVE-2026-6389?

CVE-2026-6389 is a high-severity vulnerability in IBM Turbonomic prometurbo agent, published on 30 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

IBM Turbonomic prometurbo agent 8.16.0 through 8.17.6 IBM Turbonomic Application Resource Management grants excessive cluster‑wide permissions, including unrestricted read access to all secrets. An attacker that compromises the operator or its service account can exfiltrate sensitive credentials, escalate privileges, and potentially achieve full cluster compromise.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2026-6389?

It affects 1 product.


Products: Ibm Turbonomic Prometurbo Agent.

## How do I fix CVE-2026-6389?

No fix has been published for CVE-2026-6389 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-6389 being exploited?

There is no known exploitation of CVE-2026-6389 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-6389 and fix it if it is affected.

What it is: CVE-2026-6389 is a high-severity vulnerability in IBM Turbonomic prometurbo agent, published on 30 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-6389 in the wild and no public exploit code.

Affected product: IBM Turbonomic prometurbo agent. 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-2026-6389/ (Markdown: https://insights.sbomify.com/CVE-2026-6389/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-6389
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6389
- OSV: https://osv.dev/vulnerability/CVE-2026-6389

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-6389/
Summaries are generated and may contain mistakes; the official description above is the record.