What is CVE-2026-3686?

CVE-2026-3686 is a medium-severity vulnerability in IBM Cloud Pak For Data System, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.2/10. Published 2026-08-28.

How severe is CVE-2026-3686?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Resource exhaustion in IBM Cloud Pak For Data System

CVE-2026-3686

IBM Cloud Pak for Data System 11.3.0.2 through Interim Fix 001 is vulnerable to a denial of service due to improper limitation of resources.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Cloud Pak For Data System

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-3686?: CVE-2026-3686 is a medium-severity vulnerability in IBM Cloud Pak For Data System, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.2/10. Published 2026-08-28.
How severe is CVE-2026-3686?: Medium severity. CVSS v3 base score is 6.2 out of 10.