9.9
CRITICAL CVSS 3.1
CVE-2026-109803
Code Injection vulnerability in SAP NetWeaver Knowledge Management (XML Forms)
Description

SAP NetWeaver Knowledge Management (XML Forms) does not sufficiently restrict the selection of XSL transformations processed by the affected functionality. Under certain conditions, an authenticated user with access to the affected functionality could cause an unauthorized XSL transformation to be processed, potentially leading to arbitrary code execution in the application context. Successful exploitation could impact the confidentiality, integrity, and availability of the application.

INFO

Published Date :

Nov. 10, 2026, 12:38 a.m.

Last Modified :

Nov. 10, 2026, 12:38 a.m.

Remotely Exploit :

Yes !

Source :

sap
Affected Products

The following products are affected by CVE-2026-109803 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.

ID Vendor Product Action
1 Sap netweaver_knowledge_management
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 CRITICAL e4686d1a-f260-4930-ac4c-2f5c992778dd
Solution
Restrict XSL transformation selection and apply vendor patches to prevent code execution.
  • Restrict processing of XSL transformations.
  • Apply SAP security notes and patches.
  • Limit user access to sensitive functionalities.

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-2026-109803 vulnerability anywhere in the article.

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.