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CVE-2026-120017

10, critical

SAP NetWeaver AS ABAP and ABAP Platform does not perform sufficient verification of incoming authentication assertions under certain…

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
10, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
10 Nov 2026today

Description

SAP NetWeaver AS ABAP and ABAP Platform does not perform sufficient verification of incoming authentication assertions under certain configurations. An unauthenticated attacker could submit specially crafted data to bypass authentication and impersonate arbitrary users, including privileged accounts. Successful exploitation could cause a full system compromise, with the impact potentially extending to connected components and systems beyond the affected system. This results in a high impact on confidentiality, integrity, and availability of the application.

Details

Vendor
SAP_SE
Product
SAP NetWeaver AS ABAP and ABAP Platform (SAML2 Service Provider)
Weakness
CWE-347 (opens in a new tab)
Status
Received
Updated
10 Nov 2026
Assigner
cna@sap.com

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

References 2

Patches and fixes 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other SAP_SE CVEs

Every SAP_SE CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-109795 SAP_SE S4CRM Code Injection Vulnerability 9.9, critical
  • CVE-2026-109798 SAP_SE SAP BusinessObjects Business Intelligence Platform (Web Intelligence) XML External Entity Reference Vulnerability 9.1, critical
  • CVE-2026-109803 SAP_SE SAP NetWeaver Knowledge Management (XML Forms) Code Injection Vulnerability 9.9, critical
  • CVE-2026-76964 SAP NetWeaver Application Server ABAP does not sufficiently validate certain network input processed by an internal component 10, critical
  • CVE-2026-76965 SAP NetWeaver Application Server ABAP and ABAP Platform does not perform necessary authorization checks for certain internal functionality 9.9, critical
  • CVE-2026-89103 SAP_SE SAP Gateway Incorrect Authorization Vulnerability 10, critical
  • CVE-2026-89119 SAP_SE SAP Web Dispatcher and Internet Communication Manager Cross-Site Request Forgery Vulnerability 9.6, critical
  • CVE-2026-89126 SAP_SE SAP Web Dispatcher Heap-based Buffer Overflow Vulnerability 10, critical

Beyond this page

Is CVE-2026-120017 in your network?

This page tells you how dangerous CVE-2026-120017 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-120017 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 10 Nov 2026, not the live upstream state.