Security/press release/2026-10-27

Cloudflare Workers AI GLM-5.3 model exposed 155 user responses due to cross-request data leak

Cloudflare confirmed a cross-request data leak in its GLM-5.3 Workers AI model, leading to 155 user responses containing content from other customers. The company stated it has since remediated the issue, attributing the fix to the implementation of SGLang. This incident and its resolution were primarily reported by Cloudflare itself and subsequently covered by other news outlets.

3 articles from 3 outlets covered this story. The underlying claim is sourced from a press release.

What do all outlets agree on?

3 outlets covered “Cloudflare Workers AI GLM-5.3 model exposed 155 user responses due to cross-request data…”. All of them report the following:

  • Cloudflare's GLM-5.3 Workers AI model
  • Cross-request data leak
  • 155 responses exposed
  • Contained other users' data
  • Cloudflare fixed the issue

Which outlets covered this?

All 3 articles found on this story, grouped by the stance of the piece. Every link goes to the original publisher.

What related stories are there?

Get the week in AI in one email

What happened, which outlets reported it, and where their coverage differed. One issue a week.

The first issue hasn’t gone out yet. Subscribe and it’s the one you’ll get.

We’ll send the digest and nothing else. One-click unsubscribe. Privacy.