Auth bypass in Freerdp
CVE-2026-72746
FreeRDP before 3.30.0 contains a server-side authentication bypass in the RDSTLS handshake. When a server is configured with RdstlsSecurity = TRUE, the handshake dispatches inbound PDUs based solely on the attacker-supplied wire pduType wi…
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Freerdp — versions 3.0.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-72746?
- CVE-2026-72746 is a high-severity vulnerability in Freerdp, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-08-11.
- How severe is CVE-2026-72746?
- High severity. CVSS v3 base score is 7.5 out of 10.