CVE-2026-66761 Multiple vulnerabilities in SAP Business AI Platform (Approuter)

Medium 4.3 Published 11 Aug 2026 Updated 11 Aug 2026

Low-privilege attackers can cause unbounded memory growth and availability impact by sending high volumes of data to SAP Approuter.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-66761?

CVE-2026-66761 is a medium-severity denial of service vulnerability in SAP_SE SAP Business AI Platform (Approuter), published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SAP Approuter does not enforce sufficient flow control in certain functionality. An attacker with low privileges could send high volumes of data without consuming responses, causing unbounded memory growth. This results in a low impact on availability. There is no impact on confidentiality and integrity.

Weakness: CWE-770

Which versions are affected by CVE-2026-66761?

It affects 1 product.

Products include Sap Approuter.

How do I fix CVE-2026-66761?

No fix has been published for CVE-2026-66761 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-66761 being exploited?

There is no known exploitation of CVE-2026-66761 in the wild and no public exploit code.

Sources

Also known as GHSA-j28w-983h-rg43.