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Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers

BleepingComputer·October 15, 2026·1 min read
Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers

Threat actors are exploiting a critical command execution flaw, CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud to backdoor servers. The vulnerability allows remote code execution, and active exploitation has been observed, putting Nextcloud deployments at risk of compromise.

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