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Critical

Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers

BleepingComputer
Actively Exploited
CVEExploitVulnerabilityRCECritical

Overview

Hackers are taking advantage of a serious command execution vulnerability, identified as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app, which is used within Nextcloud. This flaw allows attackers to run arbitrary commands on affected systems, potentially leading to unauthorized access and backdoors in Nextcloud servers. Organizations using this application are at risk, as the exploitation of this vulnerability is already occurring in the wild. Users need to take immediate action to secure their systems and ensure they are not compromised. The issue highlights the ongoing challenges in securing collaborative tools that are increasingly used for remote work and data sharing.

Key Takeaways

  • Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
  • Affected Systems: Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud
  • Action Required: Administrators should immediately apply available patches for the Collabora Online - Built-in CODE Server app.
  • Timeline: Newly disclosed

Original Article Summary

Threat actors are exploiting a critical command execution flaw, now tracked as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud. [...]

Impact

Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Administrators should immediately apply available patches for the Collabora Online - Built-in CODE Server app. It's recommended to review system configurations and restrict access to sensitive areas of the Nextcloud server until the patch is applied. Users should also monitor their systems for any signs of unauthorized access.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Exploit, Vulnerability, and 2 more.

Read Original Article

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