๐Ÿ›ก๏ธ CVE-2026-42189
๐ŸŸ  CVSS 8.0 โ€” High โœ… No Known Exploit CWE-770 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth (e.g., for 2FA/TOTP) with a single malformed packet, requiring no credentials. This issue has been patched in version 0.60.1.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-770
Public Exploit โœ… No
Source NVD
Published 2026-04-24
Updated 2026-06-15
Modified 2026-05-14

Affected Packages

Software From version Fixed in
russh โ€” โ€”
unknown โ€” โ€”
warpgate โ€” 0.23.1

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