{"id":59316,"date":"2026-06-02T13:00:55","date_gmt":"2026-06-02T13:00:55","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=59316"},"modified":"2026-06-02T13:00:55","modified_gmt":"2026-06-02T13:00:55","slug":"openclaude-sandbox-bypass-via-model-controlled-dangerouslydisablesandbox-input","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=59316","title":{"rendered":"OpenClaude: Sandbox Bypass via Model-Controlled `dangerouslyDisableSandbox` Input_CVE-2026-42074"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the dangerouslyDisableSandbox parameter is exposed as part of the BashTool input schema, meaning the LLM (an untrusted principal per the project&#8217;s own threat model) can set it to true in any tool_use response. Combined with the default allowUnsandboxedCommands: true setting, a prompt-injected model can escape the sandbox for any arbitrary command, achieving full host-level code execution. This issue has been patched in version 0.5.1.&#8221;,&#8221;published&#8221;:&#8221;2026-06-02T15:38:24.753Z&#8221;,&#8221;modified&#8221;:&#8221;2026-06-02T15:38:24.753Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;OpenClaude: Sandbox Bypass via Model-Controlled `dangerouslyDisableSandbox` Input&#8221;,&#8221;source&#8221;:&#8221;GitHub_M&#8221;,&#8221;references&#8221;:&#8221;https:\/\/github.com\/Gitlawb\/openclaude\/security\/advisories\/GHSA-m77w-p5jj-xmhg\\nhttps:\/\/github.com\/Gitlawb\/openclaude\/pull\/778\\nhttps:\/\/github.com\/Gitlawb\/openclaude\/commit\/aab489055c53dd64369414116fe93226d2656273&#8243;,&#8221;id&#8221;:&#8221;CVE-2026-42074&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-306&#8243;,&#8221;CWE-284&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Gitlawb openclaude \\u003c 0.5.1&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:9.3,&#8221;severity&#8221;:&#8221;CRITICAL&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:N\/VC:H\/VI:H\/VA:H\/SC:N\/SI:N\/SA:N&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;openclaude&#8221;,&#8221;version&#8221;:&#8221;\\u003c 0.5.1&#8243;,&#8221;vendor&#8221;:&#8221;Gitlawb&#8221;,&#8221;ai_description&#8221;:&#8221;Sandbox bypass vulnerability allowing full host-level code execution via model-controlled input&#8221;,&#8221;ai_severity&#8221;:&#8221;Critical&#8221;,&#8221;ai_vendor&#8221;:&#8221;Gitlawb&#8221;,&#8221;ai_product&#8221;:&#8221;OpenClaude&#8221;,&#8221;ai_version&#8221;:&#8221;\\u003c 0.5.1&#8243;,&#8221;ai_score&#8221;:9.3}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the dangerouslyDisableSandbox parameter is exposed as part&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[9,6,8,55,12,13,7,11,5],"class_list":["post-59316","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-critical","tag-cve","tag-cvss","tag-cvss-93","tag-exploit","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenClaude: Sandbox Bypass via Model-Controlled `dangerouslyDisableSandbox` Input_CVE-2026-42074 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=59316\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenClaude: Sandbox Bypass via Model-Controlled `dangerouslyDisableSandbox` Input_CVE-2026-42074 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. 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