CVE-2026-66768

Critical

Description

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.

SeverityCritical
CVSS9.0
Exploit probability—
ProductSAP NetWeaver (SAP GUI for Java)
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-807CWE-807

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
SAP_SE SAP NetWeaver (SAP GUI for Java)BC-FES-JAV 8.10—

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