‼️ Attackers planted PHP web shells on Nextcloud servers via Collabora's Built-in CODE app (CVE-2026-110447).
Catch >> Disabling the app does NOT close the flaw. Exploitation requires its local document server to be down.
Update to 26.4.303+ or remove it.
Read: https://thehackernews.com/2026/10/hackers-backdoor-nextcloud-servers.html
Post #10337
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