An OpenSSH flaw that lets remote attackers log into passwordless accounts on Alpine Linux and other musl-based systems is being exploited, threat intelligence firm Previdian has warned. The flaw (CVE-2026-123158), nicknamed sshole by Wakefield researcher Özgün Kültekin, was fixed in OpenSSH 10.6p2 on November 5. “An attacker who can reach your SSH port can log in without knowing any password.

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