CVE-2026-81657: IBM Guardium Data Protection

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

Affected products

• IBM Guardium Data Protection: version 12.2 only

Published 2026-09-18. Last modified 2026-10-06.