Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2026-34256 |
| Alert Source | SAP Security Patch Day - April 2026 |
| CVE Publication Year | 2026 |
| Date Published | 2026-04-14 |
| Vendor | SAP |
| Product | SAP ERP / SAP S/4HANA (Private Cloud and On-Premise) |
| CVSS Score | 7.1 (High) |
| CISA KEV | No |
| Ransomware | Not confirmed |
Vulnerability Description
A Missing Authorization Check vulnerability in SAP ERP and SAP S/4HANA (Private Cloud and On-Premise) allows attackers with system access to bypass authorization controls. This can lead to unauthorized manipulation of financial data, service disruption, and potential privilege escalation.
Affected Products and Versions
| Product | Versions |
|---|---|
| SAP Financial Accounting | SAP_FIN 618, 720, 730 |
| Enterprise Accounting - Financials | EA-FIN 617, 700 |
| SAP S/4HANA Core | SAPSCORE 135 |
| S/4HANA Core | S4CORE 102, 103, 104, 105, 106, 107, 108, 109 |
| Enterprise Applications | EA-APPL 600, 601, 602, 603, 604, 605, 606 |
Required Actions
- Apply SAP Security Note 3731908
- Review user authorizations in affected financial modules
- Monitor authorization logs for unusual access attempts
- Consider restricting access to sensitive transactions until the patch is applied
Who Is Affected?
This vulnerability affects organizations using SAP ERP and SAP S/4HANA (Private Cloud and On-Premise) in the listed versions. Financial and accounting modules are particularly at risk.
Sources
Need help securing your SAP systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.
How can nFlo help?
If your organization uses products affected by this vulnerability, contact us. We can help with:
- Verifying whether your systems are at risk
- Implementing patches and risk mitigation
- Monitoring for exploitation attempts in your environment
Useful resources:
