CVE-2024-28777: IBM Cognos Controller

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM Cognos Controller 11.0.0 through 11.0.1 FP3 and IBM Controller 11.1.0 is vulnerable to unrestricted deserialization. This vulnerability allows users to execute arbitrary code, escalate privileges, or cause denial of service attacks by exploiting the unrestricted deserialization of types in the application.

Affected products

• IBM Cognos Controller: from 11.0.0, before 11.0.1.4 (fixed in 11.0.1.4)
• IBM Controller: version 11.1.0 only

Published 2025-02-19. Last modified 2026-06-17.