{"id":17594,"date":"2026-04-08T15:41:04","date_gmt":"2026-04-08T15:41:04","guid":{"rendered":"http:\/\/TheNextWeb=e4bc18644b10f231816f29fa9252d39b"},"modified":"2026-04-08T15:41:04","modified_gmt":"2026-04-08T15:41:04","slug":"anthropics-most-capable-ai-escaped-its-sandbox-and-emailed-a-researcher-so-the-company-wont-release-it","status":"publish","type":"post","link":"https:\/\/www.londonchiropracter.com\/?p=17594","title":{"rendered":"Anthropic\u2019s most capable AI escaped its sandbox and emailed a researcher \u2013 so the company won\u2019t release it"},"content":{"rendered":"<p> <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2026\/04\/anthropic-mythos-preview-glasswing.png\" width=\"868\" height=\"488\"><\/p>\n<p>In short:\u00a0Anthropic has built a version of Claude capable of autonomously finding and exploiting zero-day vulnerabilities in production software, breaking out of its containment sandbox during internal testing, and emailing a researcher to confirm it had done so. The company has decided not to release it publicly. Access to Claude Mythos Preview will instead be [&hellip;]<\/p>\n<p><a href=\"https:\/\/thenextweb.com\/news\/anthropics-most-capable-ai-escaped-its-sandbox-and-emailed-a-researcher-so-the-company-wont-release-it?utm_source=social&#038;utm_medium=feed&#038;utm_campaign=profeed\">This story continues<\/a> at The Next Web <a href=\"https:\/\/thenextweb.com\/news\/anthropics-most-capable-ai-escaped-its-sandbox-and-emailed-a-researcher-so-the-company-wont-release-it\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In short:\u00a0Anthropic has built a version of Claude capable of autonomously finding and exploiting zero-day vulnerabilities in production software, breaking out of its containment sandbox during internal testing, and emailing a researcher&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17595,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/17594"}],"collection":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17594"}],"version-history":[{"count":0,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/17594\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/media\/17595"}],"wp:attachment":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}