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

7.1HIGH

Key Information:

Vendor

SAP
Status
SAP Erp And SAP S/4 Hana (private Cloud And On-premise)
Vendor
CVE Published:
14 April 2026

What is CVE-2026-34256?

An authorization check flaw in SAP ERP and SAP S/4HANA allows authenticated attackers to execute a specific ABAP report, enabling them to overwrite existing eight-character executable ABAP reports without the appropriate permissions. This exploitation could lead to service disruptions if the overwritten reports are executed, potentially impacting availability and limiting the functionality for end-users while leaving confidentiality intact.

Affected Version(s)

SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise) SAP_FIN 618

SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise) 720

SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise) 730

References

https://me.sap.com/notes/3731908
https://url.sap/sapsecuritypatchday

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.