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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
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
Which versions are affected by CVE-2026-6389?
It affects 1 product.
Products include 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.
Sources
Also known as GHSA-m8jq-5rm6-g6g3.