---
id: CVE-2026-109245
title: >-
  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
summary: >-
  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 ca…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N'
cwe:
  - CWE-295
published: '2026-10-12'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T17:17:15.480'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109245'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-improper-certificate-validation-in-freerdp-http-request
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-12T18:00:08.174Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.