Briefing · 2026-06 · DRAFT, prose pending the editor

AI Failure Briefing: June 2026

The period in numbers

628 entries indexed in 2026-06 (25 the month before). The index stands at 670 live entries; 12 duplicates have been merged to date.

  • Hallucination201 (+195)
  • Policy Violation129 (+123)
  • Brand & Safety Incident111 (+105)
  • Agentic Action Error70 (+68)
  • Tool Misuse37 (+35)
  • Prompt Injection36 (+34)
  • Data Leakage29 (+28)
  • Identity & Access Drift15 (+15)

Severity mix this period: Catastrophic 5%, High 52%, Medium 37%, Low 6%.

The month in one paragraph

[Editor's note pending. One paragraph: what the month's intake says about where production AI is failing now.]

Five observations

  1. [Editor's note pending: trend observation grounded in the mode-share delta below.]
  2. [Editor's note pending: trend observation on the predictive wing.]
  3. [Editor's note pending: trend observation on severity mix.]
  4. [Editor's note pending: a notable single entry and why it matters.]
  5. [Editor's note pending: what to watch next month.]

Notable new entries

[Editor's note pending: three to five entries from this period worth a paragraph each.]

Highest-stakes entries this period