# Cloudflare Workers Spectre Attack Leaks JWT From Co-Located Worker at 12 Bits/Second

> **Open Intelligence Dossier** · First detected: 2026-08-20 23:07 UTC · Category: Technology

## Executive Summary
5 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Cloudflare Workers Spectre Attack Leaks JWT From Co-Located Worker at 12 Bits/Second" is generating significant coverage in the Technology category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include SC Media, GIGAZINE, Tech Times and Cloudflare Blog. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| SC Media | Researchers demonstrate faster remote Spectre attack against Cloudflare Workers | [Source Link](https://news.google.com/rss/articles/CBMirgFBVV95cUxQZl9HYncyQkdNSl9aZ2lSbHc2VWRHSkZmUmJvaDUzNmJJZzZvYjlTMnBvb3U4VWpITG9JcGpDeG4yeEZsOFVodUNKWnZIWW5qOTRLa2hJMGo2Nk5rc1QzcHdJUENXMkFSc3haLUJqbS1Bd1NjRTFrWkVBOEY2Vnk2bFFHaFNJTmx0SEJGaTY5SUs4anE3b1pNYi1TOGFkQUhseUE3eWFnTmNCRDljMXc?oc=5) |
| GIGAZINE | Cloudflare successfully launched a remote Spectre attack, extracting sensitive information from workers at up to 12 bits per second. | [Source Link](https://news.google.com/rss/articles/CBMid0FVX3lxTFBkR1RWWkdSdDMzVV9tSDRiei00ZGhqT2poTkxfbW1yMVZ5Q0o5TDVONXNza1dEMURvRTRVUHRnNlBNNDkzdllTMzl0UVZNYU1OTWpDRndZQ2pJaFZERVoySE52SkU1WGdFbzg0RnZkc2UtdW9ybzBr?oc=5) |
| Tech Times | Cloudflare Workers Spectre Exploit Stole Auth Tokens 360× Faster Than Prior Attack | [Source Link](https://news.google.com/rss/articles/CBMiywFBVV95cUxQb1NmVGwybGFrdTg0MVVxSlJLMG15cG1XUUJ0ZU1mLW1RTW9MdE9RbXFaZEhzd3FoWl9LY2ZpT0FNemR1bGI1aW5ZNUYxS3JWenAxM0dydTNFdWIzT3dQWF9CLWhiOUlnNl9YSzNmT2VKb09qd05BRGdyNFgzbzlaUEpQaDhaRHgxRnpFSmJ4M29KZkUzWFBZVUs0MkJjRU1YUDd1SGxXYWluZk9iTjBzSXFHUmx4eXpyeExVZ0E1UDQ5Q0t2OXk4M2JrNA?oc=5) |
| Cloudflare Blog | A revisit of remote Spectre attacks on Cloudflare Workers | [Source Link](https://news.google.com/rss/articles/CBMidEFVX3lxTE5aOFlPXzBMMHFkNTBoQ0hpV3EtQmoxOWFfUGhiUUVhVTdORDFFZ2RQYzE0cm9LdDg1eHVjYldQUlduc3RhT0dNWUdjbExlV0FpQTZfcUs2Qkx3cXJOMnRYQzNsX3J4SXZHRjV2QWEzS0lKVjBF?oc=5) |
| The Hacker News | Cloudflare Workers Spectre Attack Leaks JWT From Co-Located Worker at 12 Bits/Second | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxQa2pSQVUzY0hZMHFKT3hxMGJVMDh6NkRyckNEOXZOSXFhQkFiSUpYN05nVy01Wnl4cUJXV2VFNkpXYjBRZU1CWHlHMVhIUVl2d3VPTzNYNWxNRzVtX3RIbVAyWjZKeEdFa0ZodmZ6NVRVdElWb3dYV3hxUnlwRUJtNkpZcnI?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-20/cloudflare-workers-spectre-attack-leaks-jwt-from-co-located-worker-at-12-bits*