CVE-2026-109245
FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-295 |
| Vendor | freerdp |
| Product | freerdp |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
FreeRDP / FreeRDP
3.0.0 < 3.32.0
References
Credits
🔍 DavidKorczynski