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Cloudflare Zero-day Vulnerability Allows Global Host Access

First seen 21 Jan 2026, 06:39 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A zero-day vulnerability in Cloudflare has been identified, allowing unauthorized access to any host globally. The exploit has been released, affecting numerous users and organizations relying on Cloudflare's services. Details on the vulnerability's nature and potential impact are being analyzed by cybersecurity experts.

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