CVE-2026-3686 Vulnerabilities exists in IBM Cloud Pak for Data System
Attackers can cause a denial of service in IBM Cloud Pak for Data System due to improper resource limitation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3686?
CVE-2026-3686 is a medium-severity denial of service vulnerability in IBM Cloud Pak for Data System, published on 28 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-770
Which versions are affected by CVE-2026-3686?
How do I fix CVE-2026-3686?
No fix has been published for CVE-2026-3686 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-3686 being exploited?
There is no known exploitation of CVE-2026-3686 in the wild and no public exploit code.
Sources
Also known as GHSA-h23f-vc89-p5f9.