How severe is CVE-2026-6389?

CVE-2026-6389 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-6389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-6389?

CVE-2026-6389 affects Ibm Turbonomic Prometurbo Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-6389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-6389 have an EU (EUVD) identifier?

Yes. CVE-2026-6389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26446.

When was CVE-2026-6389 published?

CVE-2026-6389 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-6389

CVE-2026-6389 is a high-severity vulnerability in Ibm Turbonomic Prometurbo Agent with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26446
Weakness: CWE-269
Affected product: Ibm Turbonomic Prometurbo Agent
Published: 2026-04-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-6389?: 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.
How severe is CVE-2026-6389?: CVE-2026-6389 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-6389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-6389?: CVE-2026-6389 affects Ibm Turbonomic Prometurbo Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-6389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-6389 have an EU (EUVD) identifier?: Yes. CVE-2026-6389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26446.
When was CVE-2026-6389 published?: CVE-2026-6389 was published on 2026-04-30 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7270720

Affected products (1)

cpe:2.3:a:ibm:turbonomic_prometurbo_agent:*:*:*:*:*:*:*:*

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →