CVE Watch13 de nov. de 2026

CVE-2026-128087

russh is a Rust SSH client and server library that includes an SSH agent protocol implementation. From version 0.55.0 until version 0.65.1,

CVSS

3.7

Baixa

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 13 de nov. de 2026 · Última mod.: 13 de nov. de 2026 · CWE-696 · CWE-863

EPSS · 30d

Ainda não há histórico EPSS suficiente.

Descrição técnica

russh is a Rust SSH client and server library that includes an SSH agent protocol implementation. From version 0.55.0 until version 0.65.1, the initial key exchange invokes client::Handler::kex_done() with the raw shared secret before check_server_key() accepts the server host key or certificate. A malicious SSH server can therefore trigger application-defined secondary-channel initialization or early data handling even when the server identity is subsequently rejected. Ordinary clients that keep the callback's no-op default or independently defer callback-derived actions until trust is confirmed are not affected. This issue is fixed in version 0.65.1.

Referências oficiais

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