In one month, nearly 5,000 vulnerabilities were scanned; Anthropic releases OSS Scanner, with its most powerful model serving as a free "security guard."

What happened: Anthropic released OSS Scanner, a free opt-in vulnerability scanner that uses its most powerful model to run regular security scans on open source projects, with reports generated entirely by the model and sent to maintainers without human review. Key numbers: Over six months, more than 29,000 Why it matters: Maintainers report the findings are often as good as or better than human reports, and some asked to receive all unverified reports and patches. Anthropic is prioritizing speed over full verification, which raises the risk of false positives and noise for maintainers.

Anthropic's free OSS Scanner scanned nearly 5,000 vulnerabilities in one month.

Anthropic's free OSS Scanner scanned nearly 5,000 vulnerabilities in one month. — impact context not separately stored; see What changed.