{"id":"CVE-2026-121392","published":"2026-11-03T15:17:26.710","lastModified":"2026-11-03T21:12:38.530","description":"FreeRDP before 3.32.2 contains an improper certificate validation vulnerability in tls_verify_certificate() that accepts Common Name fallback despite non-matching SAN entries and matches IP literals against DNS strings. Man-in-the-middle attackers holding a certificate from a client-trusted CA can bypass server identity checks to intercept RDP sessions, including keystrokes, clipboard, and screen content.","cvssScore":7.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-295"],"vendors":["freerdp"],"products":["freerdp"],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jq25-3374-4262","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-certificate-identity-validation-bypass-via-tls-verify-certificate","tags":["Third Party Advisory"]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jq25-3374-4262","tags":["Vendor Advisory"]}],"hasPoc":true,"ai":null}