# Anthropic Restores Fable 5 and Floats a Cross-Industry Jailbreak Severity Scale

After a government-directed suspension, a model returns alongside a proposed rubric for rating cyber jailbreaks, co-developed with rival labs.

- Published: 2026-07-07T10:40:11.754Z
- Canonical: https://polylog.news/ai/2026-07-07/anthropic-restores-fable-5-and-floats-a-cross-industry-jailb
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic](https://www.anthropic.com/news/redeploying-fable-5), [Anthropic (safeguards detail)](https://www.anthropic.com/news/fable-safeguards-jailbreak-framework), [GBHackers](https://gbhackers.com/anthropic-unveils-cyber-jailbreak-severity-framework/)

Anthropic returned Fable 5 to global availability on July 1, after a US government directive suspended it on June 12. The more consequential part of the announcement is governance infrastructure: a proposed Cyber Jailbreak Severity (CJS) fr…

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