CVE-2026-0509

CRITICAL
2026-02-10 [email protected]
9.6
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 04:16 nvd
CRITICAL 9.6

Tags

Sap Netweaver As Abap Kernel Netweaver As Abap Krnl64nuc Netweaver As Abap Krnl64uc

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.

Analysis

Unauthorized Remote Function Call execution in SAP NetWeaver ABAP. Low-privileged users can execute background RFCs without proper authorization checks. …

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Remediation

Within 24 hours: Inventory all SAP NetWeaver ABAP instances in production and development; restrict S_RFC authorization assignments to essential personnel only; enable detailed RFC logging. Within 7 days: Conduct access review of all accounts with RFC execution capability; implement network segmentation to limit RFC traffic; escalate SAP support case for patch timeline. …

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Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +48
POC: 0

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CVE-2026-0509 vulnerability details – vuln.today
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