Missing Authorization in SAP S/4HANA and SAP ERP - CVE-2026-34256

 

Missing Authorization in SAP S/4HANA and SAP ERP - CVE-2026-34256

Published: April 14, 2026


Vulnerability identifier: #VU125955
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34256
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SAP
Affected software:
SAP S/4HANA
SAP ERP

Detailed vulnerability description

The vulnerability allows a remote user to modify data and cause a denial of service.

The vulnerability exists due to improper access control in SAP ERP and SAP S/4 HANA when handling requests. A remote user can access functionality without proper authorization checks to modify data and cause a denial of service.


How to mitigate CVE-2026-34256

Install security update from vendor's website.

Sources