Cloudflare GLM-5.3 leaked other customers' data through a KV cache bug
155 responses from August 27 to September 9 mixed in other users' data; Cloudflare found no deliberate exploitation.
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- Mentions · 7d1
- Mentions · 30d2
- All mentions2
- First seenOct 21, 2026
- Last mentioned3d ago
Timeline
2 articles · newest firstLLM vulnerability harnesses can drop real bugs before the model runs
Authors mapped 13 drop points across 12 harnesses; six discarded one file unseen, five without notice.
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Appears with
- GLM-5.3ai model · 1
- Z.aivendor · 1
- raptorproduct · 1
- OpenAntproduct · 1
- Workers AIproduct · 1
- SGLangproduct · 1
- Cloudflarevendor · 1
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.