CVE-2025-42926 Missing Authentication check in SAP NetWeaver Application Server Java

What is CVE-2025-42926?

CVE-2025-42926 is a medium-severity missing authorization vulnerability in Sap Netweaver Application Server Java, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP NetWeaver Application Server Java does not perform an authentication check when an attacker attempts to access internal files within the web application.Upon successfully exploitation, an unauthenticated attacker could access these files to gather additional sensitive information about the system.This vulnerability has a low impact on confidentiality and does not affect the integrity or availability of the server.

Weakness: CWE-306

Which versions are affected by CVE-2025-42926?

It affects 1 product.

Products include Sap Netweaver Application Server Java.

How do I fix CVE-2025-42926?

No fix has been published for CVE-2025-42926 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-2025-42926 being exploited?

There is no known exploitation of CVE-2025-42926 in the wild and no public exploit code.

Other vulnerabilities in Sap Netweaver Application Server Java

• CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Exploited Critical 10.0
• CVE-2010-5326 SAP NetWeaver Remote Code Execution Exploited Critical 10.0
• CVE-2016-2386 SAP NetWeaver SQL Injection Exploited Critical 9.8
• CVE-2017-12637 SAP NetWeaver Directory Traversal Exploited High 7.5
• CVE-2016-3976 SAP NetWeaver Directory Traversal Exploited High 7.5

All Sap Netweaver Application Server Java vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cwj5-q4hx-xggm.