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

> **Newsylist Open Intelligence Dossier** · First detected: 2026-08-20 23:29 UTC · Category: Technology · Sources: 5 · Current Velocity: 2.8

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| SC Media | Researchers demonstrate faster remote Spectre attack against Cloudflare Workers | 2026-08-19 19:02 | [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. | 2026-08-19 19:02 | [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 | 2026-08-19 19:02 | [Source Link](https://news.google.com/rss/articles/CBMiywFBVV95cUxQb1NmVGwybGFrdTg0MVVxSlJLMG15cG1XUUJ0ZU1mLW1RTW9MdE9RbXFaZEhzd3FoWl9LY2ZpT0FNemR1bGI1aW5ZNUYxS3JWenAxM0dydTNFdWIzT3dQWF9CLWhiOUlnNl9YSzNmT2VKb09qd05BRGdyNFgzbzlaUEpQaDhaRHgxRnpFSmJ4M29KZkUzWFBZVUs0MkJjRU1YUDd1SGxXYWluZk9iTjBzSXFHUmx4eXpyeExVZ0E1UDQ5Q0t2OXk4M2JrNA?oc=5) |
| Cloudflare Blog | A revisit of remote Spectre attacks on Cloudflare Workers | 2026-08-19 19:02 | [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 | 2026-08-19 19:02 | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxQa2pSQVUzY0hZMHFKT3hxMGJVMDh6NkRyckNEOXZOSXFhQkFiSUpYN05nVy01Wnl4cUJXV2VFNkpXYjBRZU1CWHlHMVhIUVl2d3VPTzNYNWxNRzVtX3RIbVAyWjZKeEdFa0ZodmZ6NVRVdElWb3dYV3hxUnlwRUJtNkpZcnI?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-08-20/cloudflare-workers-spectre-attack-leaks-jwt-from-co-located-worker-at-12-bits*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*