CVE-2026-89103

CriticalCVSS 10.0

Published: 10/11/2026(UTC)Translated: 10/11/2026(UTC)NVD NIST

Summary

SAP Gateway activates the default Access Control List with high privileges, allowing categorization of an external attacker as an internal application server. An unauthenticated attacker with network access to SAP Gateway could exploit this weakness to perform unauthorized actions within the application environment.

Risk Assessment

The vulnerability enables an unauthenticated attacker to bypass access controls and perform unauthorized actions, posing a high risk to confidentiality, integrity, and availability.

Recommendation

Apply the SAP patch and review the SAP Gateway access control list configuration, restricting network access to trusted hosts.

Other vulnerabilities in SAP Gateway

CVE-2026-44749Medium
SAP Gateway allows attackers to inject content into error messages, potentially disclosing request artifacts (e.g., regex patterns) and URI parsing logic. Impact on confidentiality is low.

Original NVD description (English source)

SAP Gateway activates the default Access Control List with high privileges allowing categorization of external attacker as internal application server. As a result an unauthenticated attacker with network access to the SAP Gateway could exploit this weakness to potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS