CVE-2026-109245CWE-295

CVE-2026-109245

Medium · published October 12, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
7.4 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00187 · 7.9th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-10-12T21:17Z
References (3)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg · [email protected]https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-improper-certificate-validation-in-freerdp-http-request · [email protected]https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:04Z
    FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
    cvelistv5
  • 12 OCT 16:04Z
    FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
    cvelistv5