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MEDIUM · 4.3

CVE-2026-66761

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 g...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
SapApprouter< 23.0.0

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2026-66761?

CVE-2026-66761 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 g...

How severe is CVE-2026-66761?

CVE-2026-66761 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-66761?

Check the references section above for vendor advisories and patch information. Affected products include: Sap Approuter.