What is GHSA-5xxg-89r9-vf9v?

GHSA-5xxg-89r9-vf9v is a security advisory published by GitHub Security Advisories with High severity. FreeRDP shadow server from 3.0.0 before 3.32.0 dispatches input PDUs during the Confirm Active...

Which CVE IDs does GHSA-5xxg-89r9-vf9v cover?

GHSA-5xxg-89r9-vf9v covers the following CVE IDs: CVE-2026-110838. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5xxg-89r9-vf9v?

GHSA-5xxg-89r9-vf9v has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-5xxg-89r9-vf9vHighCVSS 7.5

FreeRDP shadow server from 3.0.0 before 3.32.0 dispatches input PDUs during the Confirm Active...

Vendor

GitHub Security Advisories

Published

October 15, 2026

Last Modified

October 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-110838 →

📋 Description

FreeRDP shadow server from 3.0.0 before 3.32.0 dispatches input PDUs during the Confirm Active state before authentication, allowing unauthenticated attackers to inject keyboard input. Attackers can negotiate TLS-only RDP and send an input PDU without Confirm Active to inject synthetic keystrokes into the host user's X11 session via XTEST.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-m998-cvfm-9444
https://nvd.nist.gov/vuln/detail/CVE-2026-110838
https://www.vulncheck.com/advisories/freerdp-shadow-before-3.32.0-pre-authentication-input-injection-via-confirm-active-bypass
https://github.com/advisories/GHSA-5xxg-89r9-vf9v