# Mythos Preview was used to scan more than 1,000 open-source software projects.

*genai · news · 2026-05-24 · The Economic Times*

## Key points

- Anthropic's Mythos Preview AI found over 10,000 high- or critical-severity vulnerabilities in open-source projects.
- Security firms confirmed 90.6% validity of Mythos Preview’s 1,752 flagged vulnerabilities, with 62.4% as high or critical risk.
- Cloudflare discovered 2,000 bugs in critical-path systems with Mythos, reporting fewer false positives than human testers.
- Mozilla fixed 271 Firefox vulnerabilities using Mythos, which outperformed Anthropic’s earlier Claude Opus 4.6 model.
- Anthropic warns that human teams may be unable to keep pace with AI-discovered vulnerabilities.

**Companies:** Cloudflare, Mozilla, Anthropic

[Read the full story on The Economic Times](https://economictimes.indiatimes.com/tech/artificial-intelligence/anthropic-ai-model-finds-over-10000-critical-bugs-across-open-source-software-projects/articleshow/131292086.cms)

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