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CVE-2026-73241 is an improper-authentication vulnerability in FreeRDP versions before 3.30.0 affecting server-side RDSTLS authentication. During authentication, the server improperly accepts an attacker-supplied RDSTLS capabilities PDU when it expects an authentication-request PDU. This leaves the authentication result in a success state, enabling bypass of RedirectionGuid, username, domain, and password validation.
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No public exploit code observed for this vulnerability.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the Alma Linux ALSA-2026:61378 security update affecting FreeRDP/WinPR packages; no vulnerability-specific technical details are provided.
A vulnerability addressed by the referenced Oracle Linux FreeRDP update; no technical flaw details are provided.
An unbounded EC field in a peer-supplied Kerberos GSS Wrap token can cause out-of-bounds reads and in-place writes during CredSSP/NLA authentication. Fixed in FreeRDP 3.30.0.
A FreeRDP authentication-bypass vulnerability caused by incorrect RDSTLS PDU handling.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.