{"id":"CVE-2026-109245","title":"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","summary":"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 ca…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-295"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["enterprise_linux 10"],"published":"2026-10-12","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:11:45.520","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109245","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-improper-certificate-validation-in-freerdp-http-request","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h44v-39x6-9xvg","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109245.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-109245"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2549811"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109245"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109245"}],"tags":["nvd","csaf","vex","red-hat","cve.org","exploit-available"],"epss":0.00236,"epssPercentile":0.14476,"ingestedAt":"2026-10-12T18:00:08.174Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T18:00:43.214768Z"},"slug":"CVE-2026-109245","body":"## Overview\n\nFreeRDP 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109245.json)","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":221047,"id":"CVE-2026-109245","ts":1792027022287,"field":"exploit_available","old":"false","new":"true"}]}