{"id":42527,"date":"2026-04-12T02:07:43","date_gmt":"2026-04-12T02:07:43","guid":{"rendered":"http:\/\/localhost\/?p=42527"},"modified":"2026-04-12T02:07:43","modified_gmt":"2026-04-12T02:07:43","slug":"jsi-virtual-lightweight-collector-shell-escape-allows-privilege-escalation-to-root","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=42527","title":{"rendered":"JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root_CVE-2026-21915"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A Permissive List of Allowed Input vulnerability in the CLI of Juniper Networks Support Insights (JSI) Virtual Lightweight Collector (vLWC) allows a local, high privileged attacker to escalate their privileges to root.\\n\\nThe CLI menu accepts input without carefully validating it, which allows for shell command injection. 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