SAP ABAP Missing Auth Check: RFC Enables FORM Exec (CVE-2026-0506)
CVE-2026-0506 Published on January 13, 2026

Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform
Due to a Missing Authorization Check vulnerability in Application Server ABAP and ABAP Platform, an authenticated attacker could misuse an RFC function to execute form routines (FORMs) in the ABAP system. Successful exploitation could allow the attacker to write or modify data accessible via FORMs and invoke system functionality exposed via FORMs, resulting in a high impact on integrity and availability, while confidentiality remains unaffected.

NVD

Vulnerability Analysis

CVE-2026-0506 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

LOW

User Interaction:

NONE

Scope:

UNCHANGED

Confidentiality Impact:

NONE

Integrity Impact:

HIGH

Availability Impact:

HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-0506 has been classified to as an AuthZ vulnerability or weakness.

Products Associated with CVE-2026-0506

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SAP Netweaver Application Server Abap

Affected Versions

SAP_SE SAP NetWeaver Application Server ABAP and ABAP Platform:

Version SAP_BASIS 700 is affected.
Version SAP_BASIS 701 is affected.
Version SAP_BASIS 702 is affected.
Version SAP_BASIS 731 is affected.
Version SAP_BASIS 740 is affected.
Version SAP_BASIS 750 is affected.
Version SAP_BASIS 751 is affected.
Version SAP_BASIS 752 is affected.
Version SAP_BASIS 753 is affected.
Version SAP_BASIS 754 is affected.
Version SAP_BASIS 755 is affected.
Version SAP_BASIS 756 is affected.
Version SAP_BASIS 757 is affected.
Version SAP_BASIS 758 is affected.
Version SAP_BASIS 816 is affected.

Exploit Probability

EPSS

0.05%

Percentile

15.33%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.