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THE DAILY INDEX

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NEWS & TRENDS

TLDR DevOps

FROM ALL-OR-NOTHING TO TASK-BASED OAUTH CONSENT

Cloudflare has added OAuth scope customization, letting users deselect optional permissions on the consent screen rather than facing an all-or-nothing choice. Client owners can now mark specific scopes as optional when configuring an OAuth app, and any access token generated after consent will only contain the scopes the user approved. Cloudflare says it plans to expand its account and zone-level role surface over the next few weeks to cover nearly every Cloudflare product, adding more API token roles, account membership options, and OAuth scopes.

BUN 1.4

Bun 1.4 improves Node.js compatibility with more than 1,500 additional passing Node test cases while cutting idle CPU usage by up to 5×, reducing memory use by as much as 48% in some server workloads, and roughly doubling startup speed on Linux. The release also adds new built-ins including image processing, WebView, Markdown parsing, cron jobs, parallel test and script execution, package auditing, and deduplication, while continuing Bun's broader migration from Zig to Rust.

A REVISIT OF REMOTE SPECTRE ATTACKS ON CLOUDFLARE WORKERS

Cloudflare researchers demonstrated a remote Spectre attack against its Workers production environment that reliably leaked up to 12 bits per second at 99% accuracy. The attack exploited a gap in Cloudflare's existing Dynamic Process Isolation defense, which only isolates suspicious scripts after an invocation ends, a delay attackers bypassed by keeping a single Durable Object invocation alive for hours via WebSocket messages. Cloudflare says no active exploitation was detected over the past three years. In response, the company has improved its isolation detection, integrated the V8 Sandbox, and deployed Memory Protection Keys to limit cross-isolate memory access within shared processes.

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