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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (4.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-3686: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.