CVE-2026-0509 — CRITICAL (9.6)

Vulnerability Description

SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated, low-privileged user to perform background Remote Function Calls without the required S_RFC authorization in certain cases. This can result in a high impact on integrity and availability, and no impact on the confidentiality of the application.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sap	Netweaver As Abap Kernel	7.22
Sap	Netweaver As Abap Krnl64Nuc	7.22
Sap	Netweaver As Abap Krnl64Uc	7.22

Related Weaknesses (CWE)

CWE-862

References

https://me.sap.com/notes/3674774Permissions Required
https://url.sap/sapsecuritypatchdayVendor Advisory

FAQ

What is CVE-2026-0509?

CVE-2026-0509 is a vulnerability with a CVSS score of 9.6 (CRITICAL). SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated, low-privileged user to perform background Remote Function Calls without the required S_RFC authorization in certain cas...

How severe is CVE-2026-0509?

CVE-2026-0509 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-0509?

Check the references section above for vendor advisories and patch information. Affected products include: Sap Netweaver As Abap Kernel, Sap Netweaver As Abap Krnl64Nuc, Sap Netweaver As Abap Krnl64Uc.