Hackers Exploit OpenSSH 'SSHole' Flaw to Gain Root Access

Published: 6 Nov 2026 · Worldwide

A critical OpenSSH vulnerability (CVE-[phone number]) allows attackers to sign in to accounts without passwords on Linux systems using musl C library with PAM disabled. Exploits began within hours of disclosure, risking unauthorized root access.

Who is at risk

Linux system administrators using OpenSSH with musl C library and PAM disabled

How to protect yourself

• Enable Pluggable Authentication Modules (PAM) in OpenSSH configurations
• Apply security patches for OpenSSH immediately after release
• Avoid running OpenSSH on musl C library without PAM enabled

Source: The Hacker News (thehackernews.com)

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