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Vulnerability · Published Feb 10, 2026 · Assigned by sap

CVE-2026-0509Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform

Critical 9.6

In plain English

A critical-severity missing authorization in SAP NetWeaver Application Server ABAP and ABAP Platform from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 68.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
SAP_SE SAP NetWeaver Application Server ABAP and ABAP Platform KRNL64NUC 7.227.22EXTKRNL64UC 7.227.53KERNEL 7.227.547.777.89

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

References