SAP Approuter Header Sanitization Bypass (CVE-2026-66778)
CVE-2026-66778 Published on August 11, 2026
Multiple vulnerabilities in SAP Business AI Platform (Approuter)
SAP Approuter does not sufficiently sanitize certain request headers before forwarding traffic to internal components. An unauthenticated attacker could send a specially crafted request to obtain limited unauthorized access to information. This results in a low impact on confidentiality. There is no impact on integrity and availability.
Vulnerability Analysis
CVE-2026-66778 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Improper Neutralization of HTTP Headers for Scripting Syntax
The application does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.