Auth bypass in SAP Netweaver As Abap Kernel
CVE-2026-0509
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- SAP Netweaver As Abap Kernel — versions 7.22, 7.53, 7.54
- SAP Netweaver As Abap Krnl64nuc — versions 7.22, 7.22ext
- SAP Netweaver As Abap Krnl64uc — versions 7.22, 7.22ext, 7.53
- SAP Se Netweaver Application Server Abap And Platform — versions KRNL64NUC 7.22, 7.22EXT, KRNL64UC 7.22
Weakness classification (CWE)
References
- me.sap.com/notes/3674774 (Permissions Required)
- url.sap/sapsecuritypatchday (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0509?
- CVE-2026-0509 is a critical-severity vulnerability in SAP Netweaver As Abap Kernel, classified under Missing Authorization. CVSS score: 9.6/10. Published 2026-02-10.
- How severe is CVE-2026-0509?
- Critical severity. CVSS v3 base score is 9.6 out of 10.