What’s Vulnerable › Vulnerabilities

CVE-2026-66778: Multiple vulnerabilities in SAP Business AI Platform (Approuter)

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-24
• Weakness: CWE-644

Description

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.

Affected products

• SAP_SE SAP Business AI Platform (Approuter): before 23.0.0 — fixed in 23.0.0

How to fix

Upgrade to a fixed version: SAP_SE SAP Business AI Platform (Approuter) 23.0.0. Check the vendor advisory for mitigations.

References

• https://me.sap.com/notes/3786038
• https://url.sap/sapsecuritypatchday

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