{"slug": "even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous", "title": "Even Claude agrees: hole in its sandbox was real and dangerous", "summary": "A security vulnerability in an AI system's \"sandbox\" was confirmed by the AI itself as real and dangerous. The bug was fixed silently by the developers without assigning a CVE identifier or making a public disclosure.", "body_md": "MOST POPULAR\nEVENTS\n-\nThe Hardware Crunch: How Supply Chain Turbulence Is Forcing a New IT Playbook\nInfrastructure teams are facing a perfect storm: extended hardware lead times, rising costs driven by AI demand, and accelerated platform timelines.\n-\nOvercoming the trade-offs in data sovereignty\nWhat does data sovereignty actually mean for your network, which trade-offs are unavoidable? Learn more.\n-\nFrom Prompt to Exploit: How LLMs Are Changing API Attacks\nModern applications are API-driven, interconnected, and often over-permissioned, making them an ideal target for AI-assisted attacks.\n-\nIdentity Resilience: The New Mandate for Cyber Survival\nJoin Druva experts for a compelling deep dive into what it takes to build an identity-first recovery strategy in this new threat landscape.\n-\nIdentity Resilience: The New Mandate for Cyber Survival\nJoin Druva experts for a compelling deep dive into what it takes to build an identity-first recovery strategy in this new threat landscape.\n-\nUnfriendly Followers: The Black Market For Your Identity\nThey’ll reveal how attackers use your profile as intel and show you how to make yourself harder to target\n-\nHow Agents are Reshaping AI Security\nAI adoption is accelerating and with it comes a new security challenge.\n-\nHow Agents are Reshaping AI Security\nAI adoption is accelerating and with it comes a new security challenge.\n-\nAI Found the Problem. Now What?\nAI is transforming the software development lifecycle, helping teams identify and remediate vulnerabilities before they reach production.\n-\nVirtual Cyber Recovery Sim\nStep into the chaos of a live ransomware breach, test your response skills, and team up with other IT and security pros to outsmart cybercriminals\nAI\n-\nSecurity\nEven Claude agrees: hole in its sandbox was real and dangerous\nAnother day, another AI bug silently fixed with no CVE and no public disclosure\n-\nSystems\nIntel's CEO reveals early hiring challenges as bankruptcy concerns deterred top talent\nRecovering chipmaker looks beyond 14A to 10A and 7A process nodes in foundry comeback bid\n-\nAI + ML\nOpenAI floats buy-before-your-try AI availability guarantee\nNice AI workloads you have going, it'd be a shame we ran out of stock\n-\nOSes\nFedora: Microsoft is all aboard, but Deepin is dumped\nRed Hat’s free distro loses a desktop, but makes an important new friend\n-\nAI + ML\nBye-bye, Gemini CLI; Google's gone and swapped you for a closed-source AI\nMost users lose access June 18 - unless you’ve got enterprise creds or paid API keys\nInfosec\n-\nSecurity\nEven Claude agrees: hole in its sandbox was real and dangerous\nAnother day, another AI bug silently fixed with no CVE and no public disclosure\n-\nSystems\nIntel's CEO reveals early hiring challenges as bankruptcy concerns deterred top talent\nRecovering chipmaker looks beyond 14A to 10A and 7A process nodes in foundry comeback bid\n-\nAI + ML\nOpenAI floats buy-before-your-try AI availability guarantee\nNice AI workloads you have going, it'd be a shame we ran out of stock\n-\nOSes\nFedora: Microsoft is all aboard, but Deepin is dumped\nRed Hat’s free distro loses a desktop, but makes an important new friend\n-\nAI + ML\nBye-bye, Gemini CLI; Google's gone and swapped you for a closed-source AI\nMost users lose access June 18 - unless you’ve got enterprise creds or paid API keys\nFOSS\n-\nEven Claude agrees: hole in its sandbox was real and dangerous\nAnother day, another AI bug silently fixed with no CVE and no public disclosure\n-\nIntel's CEO reveals early hiring challenges as bankruptcy concerns deterred top talent\nRecovering chipmaker looks beyond 14A to 10A and 7A process nodes in foundry comeback bid\n-\nOpenAI floats buy-before-your-try AI availability guarantee\nNice AI workloads you have going, it'd be a shame we ran out of stock\n-\nFedora: Microsoft is all aboard, but Deepin is dumped\nRed Hat’s free distro loses a desktop, but makes an important new friend\n-\nBye-bye, Gemini CLI; Google's gone and swapped you for a closed-source AI\nMost users lose access June 18 - unless you’ve got enterprise creds or paid API keys\n-\nPlex appeal fades as Lifetime Pass jumps to $750\nHow many times would you have to watch Lord of the Rings to cover that?\nFEATURES\n-\nEurope built sovereign clouds to escape US control. Then forgot about the processors\n-\nNobody believes the 'criminals and scumbags' who hacked Canvas really deleted stolen student data\n-\nEurope wants out from under US tech – but first it has to find the exits\n-\nGNOME may rule Ubuntu Resolute Raccoon, but X.org isn't roadkill yet\n-\nOpenClaw, but in containers: Meet NanoClaw\n-\nOpen source registries don't have enough money to implement basic security\n-\nContain your Windows apps inside Linux Windows\n-\nThe Linux mid-life crisis that's an opportunity for Tux-led transformation\n-\nToo much AI for some, too little for others: Why AMD can't win with investors\n-\nHow agentic AI can strain modern memory hierarchies", "url": "https://wpnews.pro/news/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous", "canonical_source": "https://www.theregister.com/security/2026/05/20/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous/5243662", "published_at": "2026-05-20 20:34:15+00:00", "updated_at": "2026-05-20 21:01:26.438155+00:00", "lang": "en", "topics": ["large-language-models", "cybersecurity", "artificial-intelligence"], "entities": ["Claude", "Druva"], "alternates": {"html": "https://wpnews.pro/news/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous", "markdown": "https://wpnews.pro/news/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous.md", "text": "https://wpnews.pro/news/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous.txt", "jsonld": "https://wpnews.pro/news/even-claude-agrees-hole-in-its-sandbox-was-real-and-dangerous.jsonld"}}