Cloudflare R2 — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
April 16, 2026
Last Seen
April 16, 2026

Cloudflare R2 is Cloudflare's object storage platform that provides scalable, durable storage with an S3-compatible API, built to run on Cloudflare's edge network.

Cloudflare R2 is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed April 16, 2026; most recent activity April 16, 2026.

Overview

Cloudflare R2 is Cloudflare's object storage platform that provides scalable, durable storage with an S3-compatible API, built to run on Cloudflare's edge network. It emphasizes zero egress charges within the Cloudflare ecosystem and tight integration with Cloudflare security and performance tools (e.g., Workers, Pages, Zero Trust), making it a cost- and security-conscious option for web apps and data-heavy workloads. Its significance in cybersecurity lies in simplifying access control and centralized storage while leveraging Cloudflare's defensive capabilities, though it also introduces misconfiguration and credential exposure risks if policies are not properly managed.

Related Threat Clusters

  • OpenAI Enhances Agents SDK with Sandbox for Safer Development

    OpenAI has released an updated version of its Agents SDK, aimed at helping enterprises build safer AI agents. The new SDK introduces sandboxing capabilities that allow agents to operate in controlled environments,…

    4 articles · Updated April 16, 2026

Recent Intelligence Reports

  • OpenAI Agents SDK Major Update Adds File and Code Execution in Sandboxes — Kucoin · April 16, 2026

Frequently asked questions

What is Cloudflare R2?

Cloudflare R2 is Cloudflare's object storage platform that provides scalable, durable storage with an S3-compatible API, built to run on Cloudflare's edge network.

Is Cloudflare R2 still active?

The most recent intelligence report mentioning Cloudflare R2 on ThreatCluster is dated April 16, 2026.

What is Cloudflare R2 associated with?

Across ThreatCluster reporting, Cloudflare R2 most frequently co-occurs with AWS, Azure, Vercel, Blaxel, Daytona, among 12 tracked related entities.

What are the latest developments involving Cloudflare R2?

The most significant recent cluster is “OpenAI Enhances Agents SDK with Sandbox for Safer Development” (4 articles · Updated April 16, 2026). Cloudflare R2 appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on Cloudflare R2?

Cloudflare R2 appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown