What is GHSA-r8hj-gr47-x24w?

GHSA-r8hj-gr47-x24w is a security advisory published by GitHub Security Advisories with High severity. An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. An OS command injection...

Which CVE IDs does GHSA-r8hj-gr47-x24w cover?

GHSA-r8hj-gr47-x24w covers the following CVE IDs: CVE-2026-111853. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r8hj-gr47-x24w?

GHSA-r8hj-gr47-x24w has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-r8hj-gr47-x24wHighCVSS 8.8

An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. An OS command injection...

Vendor

GitHub Security Advisories

Published

October 17, 2026

Last Modified

October 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-111853 →

📋 Description

An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. An OS command injection vulnerability exists in the FILESystem:MOUNT:DRIve SCPI command handler. Insufficient neutralization of user-supplied input allows remote attackers to execute arbitrary operating system commands with elevated privileges.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-111853
https://download.tek.com/document/TEK-PSA-002-092026.pdf
https://www.tek.com/en/products/oscilloscopes/3-series-mdo
https://github.com/advisories/GHSA-r8hj-gr47-x24w