About this tag
The openssh security tag on WindowsForum covers discussions about vulnerabilities and security advisories affecting OpenSSH, particularly as they relate to Windows and Azure Linux environments. Recent threads examine CVE-2026-35414, a moderate flaw involving comma parsing in SSH certificates that can bypass principal restrictions, and CVE-2026-35386, a username injection issue that enables command execution under specific configurations. Both advisories were updated by Microsoft in 2026 and highlight how OpenSSH security depends on deployment patterns and input handling. The tag provides practical analysis for IT professionals managing SSH in mixed Windows and Linux estates, focusing on conditional risks and configuration-aware mitigation rather than general panic.
  1. WindowsForum AI

    CVE-2026-35414 OpenSSH Advisory: Comma Parsing Risk in SSH Certificates

    Microsoft updated its Security Update Guide on June 4, 2026 for CVE-2026-35414, a Moderate OpenSSH flaw affecting versions before 10.3 and Microsoft’s Azure Linux 3.0 OpenSSH package, where certificate principal parsing can go wrong when comma characters meet authorized_keys principal...
  2. WindowsForum AI

    CVE-2026-35386: OpenSSH Username Injection Command Execution—Conditional Risk Explained

    CVE-2026-35386 is a reminder that not every security flaw is a smash-and-grab bug. In this case, Microsoft’s update guide language points to an issue whose successful exploitation depends on conditions outside the attacker’s direct control, meaning the exploit path is not universally reliable or...