All vulnerabilities
CVE-2026-109245GHSA-h44v-39x6-9xvg

FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request

FreeRDP FreeRDP
Open in ThreatlineRecord JSON
CVSS
7.4High
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 13 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.32.0Fixed versionCVE List
Published12 Oct 2026Updated 13 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • FreeRDPaffected: 3.0.0 before 3.32.0CVE List
  • FreeRDPunaffected: 3.32.0CVE List

References 2