{"slug": "anthropics-project-glasswing-update", "title": "Anthropic’s Project Glasswing Update", "summary": "Anthropic reported that its Project Glasswing initiative, launched in April to use its Mythos AI model for identifying software vulnerabilities, has detected 23,000 potential flaws across 1,000 open-source projects. Despite the high volume of findings, including some dangerous vulnerabilities, nearly none have been patched. The update challenges Anthropic's earlier claims that Mythos outperforms other models at vulnerability detection, a narrative widely repeated by media outlets.", "body_md": "In April, Anthropic initated [Project Glasswing](https://www.anthropic.com/glasswing). The idea was to let companies use their new model to find and fix vulnerabilities in their own software. It was a fantastic PR move, and so many press outlets have uncritically parroted Anthropic’s claims that it’s now common wisdom that Mythos is better at finding software vulnerabilities than other models. Which is just [not](https://www.theguardian.com/commentisfree/2026/may/08/how-dangerous-is-anthropics-mythos-ai) [true](https://spectrum.ieee.org/ai-cybersecurity-mythos).\n\nIn any case, Anthropic has [published](https://www.anthropic.com/research/glasswing-initial-update) a Project Glasswing status report. It’s finding [a lot](https://www.securityweek.com/anthropic-mythos-detected-23000-potential-vulnerabilities-across-1000-oss-projects/) of vulnerabilities in software—yay! Some of them are even dangerous. But almost none of them has been patched. It’s ...", "url": "https://wpnews.pro/news/anthropics-project-glasswing-update", "canonical_source": "https://www.schneier.com/blog/archives/2026/06/anthropics-project-glasswing-update.html", "published_at": "2026-06-08 11:01:47+00:00", "updated_at": "2026-06-12 11:43:26.238893+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-safety", "ai-research", "ai-products"], "entities": ["Anthropic", "Project Glasswing", "Mythos"], "alternates": {"html": "https://wpnews.pro/news/anthropics-project-glasswing-update", "markdown": "https://wpnews.pro/news/anthropics-project-glasswing-update.md", "text": "https://wpnews.pro/news/anthropics-project-glasswing-update.txt", "jsonld": "https://wpnews.pro/news/anthropics-project-glasswing-update.jsonld"}}