CVE-2026-109245

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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-improper-certificate-validation-in-freerdp-http-request
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg

Configurations

No configuration.

History

13 Oct 2026, 18:17

Type	Values Removed	Values Added
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg -

12 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-12 17:17

Updated : 2026-10-14 20:11

NVD link : CVE-2026-109245

Mitre link : CVE-2026-109245

CVE.ORG link : CVE-2026-109245

JSON object : View

Products Affected

No product.

CWE

CWE-295

Improper Certificate Validation

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