What is the CVSS score of CVE-2026-0491?

CVE-2026-0491 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of SAP are affected by CVE-2026-0491?

Organizations using SAP Landscape Transformation face critical risk from CVE-2026-0491, a code injection vulnerability rated CVSS 9.1.

How to fix or mitigate CVE-2026-0491?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

SAP CVE-2026-0491

CRITICAL

Code Injection (CWE-94)

2026-01-13 cna@sap.com

SAP Command Injection

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 13, 2026 - 02:15 nvd

CRITICAL 9.1

DescriptionCVE.org

SAP Landscape Transformation allows an attacker with admin privileges to exploit a vulnerability in the function module exposed via RFC. This flaw enables the injection of arbitrary ABAP code/OS commands into the system, bypassing essential authorization checks. This vulnerability effectively functions as a backdoor, creating the risk of full system compromise, undermining the confidentiality, integrity and availability of the system.

AnalysisAI

SAP Landscape Transformation has an admin-exploitable backdoor via RFC function module that allows injection of arbitrary ABAP code and OS commands, bypassing authorization checks. Scope change enables full SAP system compromise.

Technical ContextAI

An RFC-exposed function module allows admin users to inject and execute arbitrary ABAP code and OS commands (CWE-94), bypassing the authorization framework. The vendor describes this as 'effectively functioning as a backdoor.'