CVE-2026-0506 Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform

High 8.1 Published 13 Jan 2026 Updated 13 Jan 2026

An authenticated attacker can misuse RFC functions to modify data and invoke system functionality, impacting integrity and availability.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-0506?

CVE-2026-0506 is a high-severity missing authorization vulnerability in Sap Netweaver Application Server Abap, published on 13 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-0506?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2026-0506?

No fix has been published for CVE-2026-0506 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-0506 being exploited?

There is no known exploitation of CVE-2026-0506 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-mg77-v38f-9pm9.