CVE-2026-109245

Medium

Description

FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdp_http_request() in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD authentication flow to capture OAuth authorization codes and substitute the OpenID discovery document.

SeverityMedium

CVSS6.8

Exploit probability—

ProductFreerdp

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-295CWE-295

How to fix

Update

freerdp freerdp3.32.0 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	3.0.0 ≤ v < 3.32.0	3.32.0

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