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Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

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Weakness (CWE) CWE-770 Allocation of Resources Without Limits or Throttling 2

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Release: golang.org/x/crypto/ssh 0.56.0 × Clear all filters

TI-2026-40995 CVE-2026-56855

Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh

Priority LOW 39

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.005 · Published 2026-09-02 · Partial fix · 0.56.0 CWE-770

TI-2026-54686 CVE-2026-78662

Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh

Priority LOW 39

Previously, a channel registered in the mux's chanList is not usable until it is established.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00431 · Published 2026-09-02 · Partial fix · 0.56.0 CWE-770

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