Cases · Date of the earliest source we hold: last 30 days · Model: Mythos · Added to the register (date we first published it): today
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Anthropic Mythos-discovered Rejetto HFS authentication bypass exploited in the wild Anthropicmoderate · earliest source 2026-10-12 | security breach | moderate | 2026-10-12 |
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