{"id":"CVE-2026-109245","published":"2026-10-12T17:17:15.480","lastModified":"2026-10-14T20:11:45.520","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.","cvssScore":6.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","cwes":["CWE-295"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","tags":[]},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-improper-certificate-validation-in-freerdp-http-request","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","tags":[]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","tags":[]}],"hasPoc":true,"ai":null}