CVE-2026-89110 (CVSS 9.9)

Description

SAP NetWeaver Visual Composer does not perform sufficient authorization checks in certain portal functionality. An attacker with low privileges could invoke internal operations on a preconfigured remote system. Depending on the remote connection configuration, this could lead to a full compromise of the remote system. This results in a high impact on confidentiality, integrity and availability.

Is your site exposed to CVE-2026-89110?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

9.9

CRITICAL

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

EPSS — Exploit Prediction

0.0040

Probability of exploitation

0.35%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-749 CWE-749

References

Other References

https://me.sap.com/notes/3797111 https://url.sap/sapsecuritypatchday

Frequently Asked Questions

What is CVE-2026-89110? +

SAP NetWeaver Visual Composer does not perform sufficient authorization checks in certain portal functionality. An attacker with low privileges could invoke internal operations on a preconfigured remote system. Depending on the remote connection configuration, this could lead to a full compromise of the remote system. This results in a high impact on confidentiality, integrity and availability. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-89110? +

CVE-2026-89110 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0040, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-89110? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-75810

Exposed Dangerous Method or Function in ASUS Armoury Crate allow a local user to cause a brief system stall by …

CVE-2026-66088

In openEQUELLA before 2026.1, the system.execute() function available to the scripting engine runs supplied operating system commands without validation or …

CVE-2026-113363

Improper Input Validation in the network communication processing in NEC Corporation WebSAM WinShare Ver 7.2.0 through 7.5.0, Ver 7.6.0 and …

CVE-2025-34114

A client-side security misconfiguration vulnerability exists in OpenBlow whistleblowing platform across multiple versions and default deployments, due to the absence …

CVE-2026-47899

The Electron preload script in Logseq exposes an API method that allows the renderer process to invoke IPC handlers without …

CVE-2026-89139

Temporal Server compiles a Worker Controller Instance module into its Worker Service, and that module registers a compute provider named …