CVE-2026-66768: SAP SE SAP NetWeaver SAP GUI For Java

Critical severity, CVSS 9.0. EPSS: 0.6% chance of exploitation in the next 30 days.

SAP GUI for Java does not correctly enforce the trust level policy for certain functions invoked from a connected backend system. A low-privileged attacker could exploit this weakness by manipulating a connected backend system to trigger affected functionality. This could allow arbitrary command execution on the victim's machine, leading to a high impact on the confidentiality, integrity, and availability of the affected system.

Affected products

• SAP SE SAP NetWeaver SAP GUI For Java

Published 2026-09-08. Last modified 2026-09-09.