CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-76840: Out-of-bounds Write

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

PT-2026-80850

Name of the Vulnerable Software and Affected Versions RustDesk affected versions not specified Description Windows clipboard redirection fails to perform an upper bound check when copying a peer-supplied length into a fixed-size caller buffer. When an OLE paste consumer, such as explorer.exe, cal...

CVE-2026-57850

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850 RustDesk Missing Session Scope Enforcement Allows Out-of-Scope Control Message Injection

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850

RustDesk before 1.4.9 fails to enforce a session’s authorized connection scope on the server side. A peer with a limited session type (FileTransfer, PortForward, ViewCamera, or Terminal) can send control messages and login options intended for a full Remote session, enabling actions outside its g...

EUVD-2026-43008

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850 RustDesk Missing Session Scope Enforcement Allows Out-of-Scope Control Message Injection

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850 RustDesk Missing Session Scope Enforcement Allows Out-of-Scope Control Message Injection

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

CVE-2026-57850: Missing Authorization

RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type FileTransfer, PortForward, ViewCamera, or Terminal can send control messages and login options reserved for a full Remote session. An authenticated remote pe...

PT-2026-57308

Name of the Vulnerable Software and Affected Versions RustDesk versions prior to 1.4.9 Description The server fails to enforce the authorized connection scope of a session. This allows a peer with limited session permissions, such as FileTransfer, PortForward, ViewCamera, or Terminal, to send...

Exploit for CVE-2026-30784

CVE-2026-30784-rustdesk-poc CVE-2026-30784: RustDesk hbbs Traf...

bak-exploitarium

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CVE-2026-58056

RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded...

CVE-2026-58056

RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded...

CVE-2026-58056 RustDesk - FileTransfer Session Authorization Scope Bypass

RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded...

CVE-2026-58056 RustDesk - FileTransfer Session Authorization Scope Bypass

RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded...