Cases · Who discovered it: an independent researcher or journalist · Quarter of the earliest source we hold: 2026-Q4 · What set it off: hidden instructions in its input
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Indirect prompt injection attempts embedded in HTTP response headers across websitesminor · earliest source 2026-10-16 | security breach | minor | 2026-10-16 |
| AgentCorruption: prompt-injected Bedrock AgentCore agent exfiltrates execution-role credentials via IMDS Amazonmajor · earliest source 2026-10-10 | security breach | major | 2026-10-10 |
| Prompt-injected email assistant summary pushes employee toward fraudulent vendor paymentmoderate · earliest source 2026-10-07 | security breach | moderate | 2026-10-07 |
| Indirect prompt injection of AI email summarizer via forged header blocks in plain viewnegligible · earliest source 2026-10-05 | security breach | negligible | 2026-10-05 |
Showing 1–4 of 4. Or take the JSON.