SAP Approuter MLE via Unbounded Flow Control
CVE-2026-66761 Published on August 11, 2026

Multiple vulnerabilities in SAP Business AI Platform (Approuter)
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.

NVD

Vulnerability Analysis

CVE-2026-66761 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
LOW

Weakness Type

Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.


Affected Versions

SAP_SE SAP Business AI Platform (Approuter) Version SAP Approuter node.js package < 23.0.0 is affected by CVE-2026-66761