CVE-2026-68930: Eugeny Russh

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Russh is a Rust SSH client & server library. Prior to 0.62.5, russh dispatches channel-scoped Handler callbacks for recipient channel IDs that were never opened or confirmed in russh/src/server/encrypted.rs, server_read_authenticated, and the exec_request callback. Version 0.62.5 fixes the issue.

Affected products

• Eugeny Russh: before 0.62.5 (fixed in 0.62.5)

Published 2026-08-03. Last modified 2026-09-09.