CVE-2023-38281: IBM Cloud Pak System

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Cloud Pak System does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.

Affected products

• IBM Cloud Pak System: version 2.3.4.0 only; version 2.3.4.1 only; version 2.3.5.0 only; version 2.3.6.0 only
• IBM OS Image For Red Hat Linux Systems: version 4.0.4.0 only; version 4.0.5.0 only; version 4.0.6.0 only; version 4.0.7.0 only; version 5.0.0.0 only; version 5.0.1.0 only

Published 2026-02-04. Last modified 2026-06-17.