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    CVE-2026-68930

    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.

    Published:Aug 3, 2026
    Last Modified:Aug 3, 2026
    EPS:Aug 3, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Eugeny
    Product
    Russh

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack

    Related CVEs

    CVE-2026-73489 (CVSS 4.3) — Russh is a Rust SSH client & server library. Prior to 0.62.4, an authenticated SSH client can cause a denial o…
    CVE-2026-73430 (CVSS 5.3) — Russh is a Rust SSH client & server library. Prior to 0.62.4, an unauthenticated SSH client can cause a denial…
    CVE-2026-73429 (CVSS 5.3) — Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client …
    CVE-2026-48110 (CVSS 7.5) — Russh is a Rust SSH client & server library. From version 0.34.0 to before version 0.61.0, several russh clien…
    CVE-2026-48108 (CVSS 5.3) — Russh is a Rust SSH client & server library. From version 0.34.0-beta.1 to before version 0.61.0, russh did no…
    CVE-2026-48107 (CVSS 6.5) — Russh is a Rust SSH client & server library. From version 0.37.0 to before version 0.61.0, in the russh client…
    CVE-2026-46705 (CVSS 5.3) — Russh is a Rust SSH client & server library. From version 0.34.0-beta.1 to before version 0.61.0, the russh se…
    CVE-2026-46702 (CVSS 7.5) — Russh is a Rust SSH client & server library. From version 0.34.0 to before version 0.61.1, when SSH compressio…
    CVE-2026-46673 (CVSS 7.5) — Russh is a Rust SSH client & server library. Prior to version 0.60.3, CryptoVec used unchecked capacity growth…
    CVE-2026-42189 (CVSS 7.5) — Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service v…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High