PT-2026-111547 · Freerdp+1 · Freerdp

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CVE-2026-109952

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Published

2026-10-13

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Updated

2026-10-13

CVSS v4.0

6.0

Medium

VectorAV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
The FreeRDP client 3.0.0 before 3.32.0 does not check a server-selected PROTOCOL RDSTLS or PROTOCOL HYBRID EX against its enabled protocol set in nego process negotiation response(), allowing a security protocol downgrade. A malicious server or man-in-the-middle can select RDSTLS to override /sec:nla pinning, complete authentication with an all-zero cookie, and receive the user's cleartext password in the Client Info PDU.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-109952

Affected Products

Freerdp