7.1
HIGH CVSS 3.1
CVE-2026-34256
Missing Authorization check in SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise)
Description

Due to a missing authorization check in SAP ERP and SAP S/4HANA (Private Cloud and On-Premise), an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?character executable ABAP report without authorization. If the overwritten report is subsequently executed, the intended functionality could become unavailable. Successful exploitation impacts availability, with a limited impact on integrity confined to the affected report, while confidentiality remains unaffected.

INFO

Published Date :

April 14, 2026, 1:16 a.m.

Last Modified :

April 14, 2026, 1:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-34256 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH e4686d1a-f260-4930-ac4c-2f5c992778dd
CVSS 3.1 HIGH [email protected]
Solution
Apply SAP security notes to correct missing authorization checks and prevent unauthorized report overwrites.
  • Apply SAP security notes for the vulnerability.
  • Review and restrict access to the affected ABAP report.
  • Monitor system for unauthorized report modifications.
  • Perform integrity checks on ABAP reports.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-34256.

URL Resource
https://me.sap.com/notes/3731908
https://url.sap/sapsecuritypatchday
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-34256 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-34256 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-34256 vulnerability anywhere in the article.

  • Daily CyberSecurity
Critical 9.9 Alert: SAP’s April 2026 Patch Day Targets Major SQL Injection

SAP has marked its latest monthly security update with the release of 19 new security notes and one update to a previously issued advisory. This month’s “Patch Day” is highlighted by a critical severi ... Read more

Published Date: Apr 14, 2026 (5 hours, 29 minutes ago)

The following table lists the changes that have been made to the CVE-2026-34256 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 14, 2026

    Action Type Old Value New Value
    Added Description Due to a missing authorization check in SAP ERP and SAP S/4HANA (Private Cloud and On-Premise), an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?character executable ABAP report without authorization. If the overwritten report is subsequently executed, the intended functionality could become unavailable. Successful exploitation impacts availability, with a limited impact on integrity confined to the affected report, while confidentiality remains unaffected.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
    Added CWE CWE-862
    Added Reference https://me.sap.com/notes/3731908
    Added Reference https://url.sap/sapsecuritypatchday
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.